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Inventors
1859-2022

Name

Patent Title

Patent No.

Residence

Year Issued

Adams, David Methods of O-demethylation 11136331 Charles City 2021
Adams, Charles electrically controlled fluid motor 2817317 Charles City 1957
Angell, William stanchion 496390 Charles City 1893
Angpap, Thomas antigen for hemagglutination inhibition test 3590116 Charles City 1971
Babcock, Amos device for converting motion 285372 Nora Springs 1883
Baltimore, John swinging gate 337360 Nora Springs 1886
Baltimore, J. cultivator 72780 Marble Rock 1867
Barney, Valentine stone sawing machine 377595 Charles City 1888
Barney, Valentine stone sawing machine 377660 Charles City 1888
Barney, Valentine machine for sawing stone 312068 Charles City 1885
Barney, Valentine sand and water pump 312069 Charles City 1885
Barney, Valentine improvement in machines for dressing tiles 5468 Charles City 1873
Baron, Robert nitro-trifluoromethl-benzanilides for treating coccidiosis 3743745 Charles City 1973
Baron, Robert nitro-trifluoromethyl-benzanilides 3689556 Charles City 1972
Baron, Robert coccidiosis control with quinolinol derivatives 3636216 Charles City 1972
Baron, Robert nitro-trifluoromethylthiobenzamides 3555085 Charles City 1971
Baron, Robert compositions and a method for the prevention and control of histomoniasis which employ a 5-nitroimidazole and a benzenearsonic acid 3439097 Charles City 1969
Baron, Robert ortho-nitrobenzoic acid, 5-nitrofurfurylidene hydrazide 3376296 Charles City 1968
Baron, Robert nitrofuran derivatives for treating coccidiosis 3330724 Charles City 1967
Bartz, Thomas single direction toggle anchor 5215418 Charles City 1993
Bauer, Michael Methods and compositions for preparing lisdexamfetamine and salts thereof 8779191 Charles City 2014
Becicka, Brian Process for preparing anhydrous Aripirazole type I 8039621 Charles City 2011
Bedell, Amelia hog feeder 1176193 Marble Rock 1916
Belanski, Charles ironing board and plaiting machine 344805 Nora Springs 1886
Benson, Wayne hair cutting device 2915070 Rudd 1959
Berndt, Edward coccidiosis control with quinolinol derivatives 3636216 Charles City 1972
Berndt, Edward composition for treating histomoniasis in poultry 3621095 Charles City 1971
Berndt, Edward 3,5-dinitrosalicylic acid, 5-nitrofurfuryli-dene hydrazide and compostions containing and methods employing the same for the control of histomoniasis 3424845 Charles City 1969
Berndt, Edward process of separating arsanilic acid 3296290 Charles City 1967
Berndt, Edward process of preparing 2-aminoquinoxaline 3260720 Charles City 1966
Bloom, Nicklas bob sleigh 390747 Charles City 1888
Bloom, Joseph bob sleigh 390747 Charles City 1888
Bloom, Joseph running gear for vehicles 382406 Charles City 1888
Bloom, Nicklas running gear for vehicles 382406 Charles City 1888
Bloom, Nicklas spring for vehicles 346085 Charles City 1886
Boerschel, Bruce Vehicle outside door handle D674678 Charles City 2013
Boerschel, Bruce Vehicle inside door handle D676304 Charles City 2013
Boerschel, Bruce door latch handle 529367 Charles City 2006
Boggess, Gregory field bag boost vaccination delivery system 5884583 Charles City 1999
Bolinski, Eric Wheeled device to assist in carrying ladders 8556277 Charles City 2013
Bolstad, Gustav anti-overturning device for vehicles 2950365 Charles City 1960
Borsheim, Hans washing machine 1682212 Charles City 1928
Bradshaw, Ray spring tooth mounting 1743592 Charles City 1930
Brayton, William gate 454026 Floyd 1891
Briggs, Robert bit 659286 Rudd 1900
Brown, Albert door check 943515 Rockford 1909
Brunsting, Edwin coccidiosis control with quinolinol derivatives 3636216 Charles City 1972
Bucklen, Willard respirator 913688 Marble Rock 1909
Buenger, Greg Method of making piperidine derivatives 8299258 Charles City 2012
Buenger, Greg Method of making amphetamine 7705184 Charles City 2010
Burton, Frank thill coupling 437564 Charles City 1890
Callen, Gary Methods and compositions for preparing lisdexamfetamine and salts thereof 8779191 Charles City 2014
Carr, George frame for doors or windows 706157 Carrville 1902
Carr, George paper hanger 479971 Carrville 1892
Carr, George hay and grain rack 401733 Charles City 1889
Chism, William nut lock 1252088 Charles City 1918
Clark, Henry wrench 869206 Charles City 1907
Cole, William combined door hanger and track for edgewise movable doors 1004746 Charles City 1911
Cole, William disk harrow 906692 Charles City 1908
Conner, Bernard can holder 2074212 Rudd 1937
Crawford, Trevor set tool and cap 5711043 Charles City 1998
Crawford, Danny newspaper vending unit 5363987 Charles City 1994
Crawford, Dan anchor set tool 5038435 Charles City 1991
Crawford, Danny pin drive anchor with locking sleeve 4917552 Charles City 1990
Crawford, Danny anchor set tool 4954025 Charles City 1990
Crocker, Howard intermittent driving mechanism 1167337 Nora Springs 1916
Czarny, Mike purification of hydroxyphenyl alkanes 5202505 Charles City 1993
Daily, Floyd clamp for connecting an insulator to a post 2222810 Nora Springs 1940
Daley, Michael hand cart 779913 Charles City 1905
Daley, Michael cleaning attachment for disk harrows or the like 785596 Charles City 1905
Daley, Michael speed regulator for explosion engines 776118 Charles City 1904
Daley, Michael barrel truck 650374 Charles City 1900
Daley, Walter cleaner for disk harrows 507312 Charles City 1893
Davis, Dustin Catwalk floorbeam connection system 10975584 Nora Springs 2021
Dean, Daniel cow hopple 664838 Rudd 1901
Decker, Carl windmill pump coupling 750173 Charles City 1904
Decker, Carl pump coupling 772311 Charles City 1904
Decker, Carl windmill pump coupling 774939 Charles City 1904
Devore, James process for catalytically hydrogenating phytosterols 6673951 Charles City 2004
Dietrich, Bruce inhalation therapy enclosure for small animals 7438021 Charles City 2008
Dietrich, Bruce versa cage system 5168829 Charles City 1992
Doll, Theodore furniture caster 1007022 Nora Springs 1911
Doll, Theodore furniture caster 1009388 Nora Springs 1911
Doll, Theodore furniture caster 1009389 Nora Springs 1911
Dommell, Homer electrically controlled fluid motor 2817317 Charles City 1957
Dong, Zhiming Process for preparing hydromorphone and derivatives thereof 10370382 Charles City 2019
Dong, Zhiming Process for the formation of hydrocodone bitatrate 9981979 Charles City 2018
Douglas, Jason Methods and compositions for preparation of amphetamine conjugates and salts thereof 8614346 Charles City 2013
Douglas, Jason Method of making amphetamine 7705184 Charles City 2010
Douglas, Jason process for preparation of probucol derivatives 7345191 Charles City 2008
Douglas, Jason process for preparation of probucol derivatives 7294736 Charles City 2007
Dreher, Carl grocer's scoop 2563223 Nora Springs 1951
Dreher, Carl scoop 1728858 Nora Springs 1929
Dreher, Carl store counter 1583676 Nora Springs 1926
Dumbolton, Charles thrasher 1592186 Rockford 1926
Durrwachter, Robert Process for the synthesis of 4,5,6,7-tetrachloro-3?,6?-dihydroxy-2?, 4?, 5?7?-tetraiodo-3H-spiro[isobenzofuran-1,9?-xanthen]-3-one (Rose Bengal) and related xanthenes 9273022 Charles City 2016
Durrwachter, J. process for preparing oximidazoles 5910595 Charles City 1999
Eek, Margus Methods of O-demethylation 11136331 Charles City 2021
Eggen, Oscar device for synchronizing the speed of a vehicle with the steering mechanism thereof 1902626 Charles City 1933
Eklund, Lars Methods of O-demethylation 11136331 Charles City 2021
Elliot, John sheaf carrier 284400 Rudd 1883
Elliott, Charles sheaf carrier 379212 Rockford 1888
Elliott, George sheaf carrier 379212 Rockford 1888
Eriksen, Sivert fowl vaccinator 2359550 Charles City 1944
Ethington, Bradley Crane assembly 10221048 Rudd 2019
Ethington, Bradley Crane assembly 9938121 Rudd 2018
Ethington, Bradley Crane assembly 9033165 Rudd 2015
Ethington, Brad Anti-two block system for a crane assembly 8813981 Rudd 2014
Ethington, Bradley Shear plate mounting system 7896606 Rudd 2011
Ethington, Bradley tire servicing tool 6321818 Rudd 2001
Everett, Alexander Compression mount paddle handle 10024085 Charles City 2018
Everett, Alexander Free floating paddle actuation system 8881564 Charles City 2014
Everett, Alexander Door handle with paddle actuator D694087 Charles City 2013
Fairbanks, Webster plow 377296 Charles City 1888
Feenders, Harm clod crusher and drag 181427 Charles City 1876
Feenders, Harm clod crusher 148879 Charles City 1874
Ferguson, John cow tail holder 417715 Charles City 1889
Ferguson, Charles railway track gage, level, and gradient 329895 Charles City 1885
Flint, John composition for shock treatment 4490391 Charles City 1984
Fockler, Jerry process of separating arsanilic acid 3296290 Charles City 1967
Fowle, Leonard harrow 628785 Rudd 1899
Frank, Dale package for frangible articles 3716133 Charles City 1973
Frevert, Albert carbureter 1242432 Charles City 1917
Girkin, Scott security head anchor 5221167 Charles City 1993
Gisleson, William sun visor attachment 2377225 Charles City 1945
Gleason, Stephen latch structure 6695361 Charles City 2004
Gleason, Stephen universal actuator assembly for a door latch 6629711 Charles City 2003
Gleason, Stephen latch and actuator assembly with no-lock-out feature 6494506 Charles City 2002
Gleason, Stephen control mechanism for operating a latch 6231091 Charles City 2001
Gleason, Stephen sealed latch assembly 5299844 Charles City 1994
Gleason, Stephen lock assembly 5360244 Charles City 1994
Gleason, Stephen door latch handle 339049 Charles City 1993
Gleason, Stephen door latch handle 339050 Charles City 1993
Gleason, Stephen door closure assembly 5127686 Charles City 1992
Gleason, Stephen paddle latch assembly 5042853 Charles City 1991
Gore, Thomas dna encoding an antigenic protein derived from eimeria tenella and vaccines for prevention of coccidiosis caused by eimeria tenella 5187080 Charles City 1993
Gore, Thomas antigenic proteins and vaccines containing them for prevention of coccidiosis caused by eimeria eimeria necatrix and eimeria tenella 5028694 Charles City 1991
Gore, Thomas dna encoding an antigenic protein derived from eimeria tenella and vaccinesfor prevention of coccidiosis caused by eimeria tenella 4874705 Charles City 1989
Graf, Christopher lens 1293086 Charles City 1919
Gratias, Earl mixer 2515555 Nora Springs 1950
Green, Harry 1-(4' -diazoniumphenyl)-pyridinium salts and the process of preparation 3985724 Charles City 1976
Green, Jerry producing ornamental surfaces 467229 Nora Springs 1892
Haas, William gate 407951 Charles City 1889
Haas, William gate 402439 Charles City 1889
Haas, William twine and wire cutter 334582 Charles City 1886
Haley, William mail delivering apparatus 834798 Floyd 1906
Haley, William hay loader 440105 Floyd 1890
Hall, Gene newspaper vending unit 5363987 Charles City 1994
Hall, George trace holding attachment for home clips 287826 Nora Springs 1883
Hall, George ointment 279940 Nora Springs 1883
Hall, George trace support 284843 Nora Springs 1883
Hansen, Christian sectional pipe, conduit, or culvert unit 1683544 Charles City 1928
Hansen, Christian excavating apparatus 1479806 Charles City 1924
Hansen, Christian excavating apparatus 1490387 Charles City 1924
Hansen, Christian scale 1497017 Charles City 1924
Harnish, Franklin middlings separator 185526 Nora Springs 1876
Harr, John beating and mixing machine 1090148 Nora Springs 1914
Harr, John display rack 1044381 Nora Springs 1912
Harr, John wall paper display rack 983439 Nora Springs 1911
Hart, Charles harvesting grain 1458936 Charles City 1923
Hart, Charles carbureter 1137135 Charles City 1915
Hart, Charles steering wheel for traction vehicles 950045 Charles City 1910
Hart, Charles clutch 926184 Charles City 1909
Hart, Charles clutch 926184 Charles City 1909
Hart, Charles cylinder cooling system for internal combustion 774752 Charles City 1904
Hart, Loren mop wringer and brush 731680 Nora Springs 1903
Hart, Loren washing machine 679147 Nora Springs 1901
Hart, Albert washing machine 589084 Nora Springs 1897
Hart, Loren washing machine 589084 Nora Springs 1897
Hartman, Stephen attachment for sickle bars 777093 Charles City 1904
Hartman, Stephen harrow 339408 Charles City 1886
Hartman, Daniel spring guard for legs of furniture 114812 Charles City 1871
Hausberg, Ernest tooth paste dispensing device 1742536 Charles City 1930
Hausberg, Ernest electrically operated typewriter 1328736 Charles City 1920
Hausberg, Ernest electrically operated type writer 1200105 Charles City 1916
Hausberg, Ernest electrically operated type writer 1209961 Charles City 1916
Hedges, Ralph protractor guide for bending pipes 3200505 Floyd 1965
Held, Byron 1-(4' -diazoniumphenyl)-pyridinium salts and the process of preparation 3985724 Charles City 1976
Helton, Craig latch assembly for movable closure element 7309087 Charles City 2007
Helton, Craig round door handle 541129 Charles City 2007
Helton, Craig latch assembly for movable closure element 7097216 Charles City 2006
Helton, Craig operating handle for a closure element 501783 Charles City 2005
Helton, Craig operating handle for a closure element 506377 Charles City 2005
Helton, Craig holding assembly for movable closure element with releasably connected first and second linked elements 6694675 Charles City 2004
Helton, Craig graspable portion of window hold open mechanism 443195 Charles City 2001
Hendrix, Raymond Actuator mechanism for door latch 9151091 Charles City 2015
Henry, Jack taeniacide 2320630 Charles City 1943
Henry, Jack taeniacide for poultry 2245530 Charles City 1941
Heotis, James coccidiostatic remedies 2879201 Charles City 1959
Herring, George gate 248040 Charles City 1881
Herrington, John trace buckle 327166 Charles City 1885
Hestness, Mark horizontally polarized omni-directional antenna 7006051 Nora Springs 2006
Hewett, J. compound and process of removing incrustations of lime from steam boilers 110463 Nora Springs 1870
Hicok, Gaylen loader bucket orientation indicator 7430983 Charles City 2008
Hicok, Gaylen fluid deceleration/de-aeration device 7255730 Charles City 2007
Hicok, Gaylen adapter for use with a funnel 7013934 Charles City 2006
Hildebrand, Elbert lock for automobile and other doors 1848528 Charles City 1932
Hill, Roselia tension for warp reels and handlooms 975618 Charles City 1910
Hill, Cornelia machinery for winding warp 459784 Floyd 1891
Hjelm, George hinge construction for vehicle hoods 2218384 Charles City 1940
Hladky, Wallace process of separating arsanilic acid 3296290 Charles City 1967
Hoag, Elwyn bag holder 626701 Charles City 1899
Hoar, William rock drills 156733 Floyd 1874
Hoar, William spring hinge 142392 Floyd 1873
Hob, David portable grain elevator 809373 Nora Springs 1906
Hof, David washing machine 998901 Nora Springs 1911
Hoffmann, Hermann 1-(4' -diazoniumphenyl)-pyridinium salts and the process of preparation 3985724 Charles City 1976
Hoffmann, Hermann production of arsanilic acid 3763201 Charles City 1973
Holmberg, Par Methods of O-demethylation 11136331 Charles City 2021
Holmberg, Pär Process for preparing hydromorphone and derivatives thereof 10370382 Charles City 2019
Holmberg, Par Preparation of saturated ketone morphinan compounds by catalytic isomerisation 9981978 Charles City 2018
Hop, Jacob windmill 361157 Nora Springs 1887
Hop, John windmill 361157 Nora Springs 1887
Howard, Harlan corn planter 319254 Charles City 1885
Howard, Harlan harrow 273535 Charles City 1883
Howard, Harlan harrow 263520 Charles City 1882
Howard, Harlan harrow tooth 265084 Charles City 1882
Hubbard, Francis spring seat 188140 Nora Springs 1877
Hummel, William sealer 1506640 Floyd 1924
Humphrey, Judi Methods and compositions for preparing lisdexamfetamine and salts thereof 8779191 Charles City 2014
Hutches, Ira fanning mill 251443 Marble Rock 1881
Jandl, Mary corn crib 1762019 Marble Rock 1930
Janke, Ewald plow 2364367 Charles City 1944
Jass, Paul Method of making piperidine derivatives 8299258 Charles City 2012
Jass, Paul Method of making amphetamine 7705184 Charles City 2010
Jass, Paul process for preparation of probucol derivatives 7345191 Charles City 2008
Jass, Paul process for the preparation of probucol derivatives 7247744 Charles City 2007
Jass, Paul process for preparation of probucol derivatives 7294736 Charles City 2007
Jass, Paul stereoselective reductive amination of ketones 6468781 Charles City 2002
Jass, Paul substituted alkylketo compounds and process 6486331 Charles City 2002
Jass, Paul process for preparing probucol derivatives 6323359 Charles City 2001
Jass, Paul preparation of (s)-2-amino-6,6-dimethoxyhexanoic acid methyl ester via novel dioxolanes 6329542 Charles City 2001
Jass, Paul preparation of (s)-2-amino-6,6-dimethoxyhexanoic acid methyl ester via novel dioxolanes 6248882 Charles City 2001
Jass, Paul stereoselective reductive amination of ketones 6140088 Charles City 2000
Jass, Paul preparation of [4s-(4.alpha.,7.alpha.,10a.beta.)]-4-amino-octahydro-5-oxo-7h-pyrido[2,1 -b] [1,3]thiazepine-7-carboxylic acid, methyl ester and salts thereof via novel disulfides 6162913 Charles City 2000
Jendro, Dennis newspaper vending unit 5363987 Charles City 1994
Johannsen, John grain cleaning apparatus 4312750 Rockford 1982
Johnson, Hjalmer fishing lure 2722079 Rudd 1955
Johnson, Homer talking machine 769696 Charles City 1904
Judson, Alfred trace carrier 322380 Floyd 1885
Julian, William disk sharpener 754455 Charles City 1904
Kalke, Henry side lift for side dumping wagons 4050593 Nora Springs 1977
Kalke, Henry grain screen and spreader 3361258 Rockford 1968
Kalke, Henry apparatus for stirring grain and similar particulate material 3156541 Rockford 1964
Kellogg, Hiram vehicle wheel 134894 Floyd 1873
Kelly, George washing machine 1706405 Charles City 1929
Kerr, Kathel nematocidal compositions and method 3203859 Charles City 1965
Kerr, Kathel veterinary tetravalent tin compositions 2702775 Charles City 1955
Kerr, Kathel veterinary tetravalent tin compositions 2702776 Charles City 1955
Kerr, Kathel veterinary tetravalent tin compositions 2702777 Charles City 1955
Kerr, Kathel veterinary tetravalent tin compositions 2702778 Charles City 1955
Ketterling, Edwin power take-off control valve 3669229 Charles City 1972
Kielsmeier, Henry hog waterer 1528435 Charles City 1925
King, Stanley portable truck elevator 2519478 Charles City 1950
Kinscella, Samuel reverse gear for engines 689313 Nora Springs 1901
Klages, John draft equalizer 1122949 Rockford 1914
Koebler, William package for frangible articles 3716133 Charles City 1973
Krueger, Hermann automatic tractor hitch 1646253 Niles Township 1927
LaDue, S. calendar clock 25468 Rockford 1859
Ladwig, Charles washing machine 951951 Nora Springs 1910
Ladwig, Charles portable grain elevator 809373 Nora Springs 1906
Larchar, Lewis railway track clearer 309632 Marble Rock 1884
Larchar, Lewis snow plow 264542 Marble Rock 1882
Law, Basil hammer for removing gates or risers from castings 5407017 Charles City 1995
Lehman, David broadcast seeder and planter 435757 Rockford 1890
Letourneau, Michael Methods of O-demethylation 11136331 Charles City 2021
Lewis, Alvin feed trough 555781 Nora Springs 1896
Lipp, Dale automobile mounted multiple bike and ski racks 5476202 Nora Springs 1995
Lipps, John hame attachment 389520 Rockford 1888
Lipps, John leather rounding machine 393788 Rockford 1888
Littell, William planter and roller 367006 Charles City 1887
Lottridge, William grain binder 107933 Charles City 1870
Lottridge, William grain binder 93458 Charles City 1869
Martin, Thomas air intake for air cleaners 2197503 Charles City 1940
Martin, Earl hay rack removing appliance 1071935 Charles City 1913
Matheson, Archibald transmission gear 1177880 Rockford 1916
Matisheck, Peter antigen for hemagglutination inhibition test 3590116 Charles City 1971
Matisheck, Peter vaccine against avian respiratory infection 2998349 Charles City 1961
Mayfield, Orley method of treating animals infected with large roundworms using cobalt arsenic compounds 3466363 Charles City 1969
Mayfield, Orley composition for control of poultry coccidiosis 2449080 Charles City 1948
Mayfield, Orley composition for control of poultry coccidiosis 2449081 Charles City 1948
Mayfield, Orley poultry treatment composition 2450866 Charles City 1948
Mayfield, Orley taeniacide 2320630 Charles City 1943
Mayfield, Orley taeniacide for poultry 2245530 Charles City 1941
Mayfield, Orley treatment of range paralysis 2173440 Charles City 1939
McCray, Harold carbureter 1153436 Charles City 1915
McFarland, Wayne method for mining and reclaiming land 4462713 Charles City 1984
McGuire, Willis methyl-phenyl-arsonic acid blackhead control compositions 2815313 Charles City 1957
McGuire, Willis paranitro-phenyl-arsonic acid blackhead control composition 2638432 Charles City 1953
McPhail, James grain fan 100434 Charles City 1870
McPhail, James bag holder 96941 Charles City 1869
Mead, Harold versatile fast hitch side mounting of agricultural spray tanks 4351535 Charles City 1982
Mead, Harold agricultural applicator apparatus 4302904 Charles City 1981
Mead, Harold grain bin floor support system 4282694 Charles City 1981
Mead, Harold tank mounting apparatus for tractors 4162796 Charles City 1979
Mead, Harold prefabricated wire panel enclosure 3095855 Charles City 1963
Meler, August earth auger 570810 Marble Rock 1896
Merfeld, Peter folding stool 1281189 Marble Rock 1918
Merriman, Amasa attachment for type writing machines 525916 Charles City 1894
Mewman, Karel antigenic proteins and vaccines containing them for prevention of coccidiosis caused by eimeria eimeria necatrix and eimeria tenella 5028694 Charles City 1991
Michalson, Erik Method of making amphetamine 7705184 Charles City 2010
Michalson, Erik process for catalytically hydrogenating phytosterols 6673951 Charles City 2004
Michalson, Erik process for preparing piperazine-substituted aliphatic carboxylates 6265579 Charles City 2001
Michalson, Erik process for preparing piperazine-substituted aliphatic carboxylates 6239277 Charles City 2001
Mitchell, William concrete pipe making machine 4957424 Charles City 1990
Mohler, James aircraft propeller 2167050 Charles City 1939
Moore, Margaret bed pan 890681 Marble Rock 1908
Morehouse, Neal veterinary composition containing halo-nitro-benzamides and methods of using same 3161564 Charles City 1964
Morehouse, Neal coccidiostatic remedies 2879201 Charles City 1959
Morehouse, Neal methyl-phenyl-arsonic acid blackhead control compositions 2815313 Charles City 1957
Morehouse, Neal N,N'-(3-nitro-benzene-sulfonyl) ethylene-diamine compositions for the treatment of coccidiosis 2715600 Charles City 1955
Morehouse, Neal paranitro-phenyl-arsonic acid blackhead control composition 2638432 Charles City 1953
Morehouse, Neal composition for control of poultry coccidiosis 2476890 Charles City 1949
Morehouse, Neal composition for control of poultry coccidiosis 2449080 Charles City 1948
Morehouse, Neal composition for control of poultry coccidiosis 2449081 Charles City 1948
Morehouse, Neal poultry treatment composition 2450866 Charles City 1948
Morey, Charles rein holder 839174 Floyd 1906
Mosher, Glenn removable window for closed cars 1686705 Rockford 1928
Mullenbach, William cam actuated adjustable mold clamp 2581040 Charles City 1952
Mumm, Bret adaptive battery charger with universal interface plate 5818197 Nora Springs 1998
Nakaue, Harry Alpha, Alpha, Alpha-trifluoro-6-substituted-5-nitro-toluic acid, 5-nitrofurfurylidene hydrazide compounds as growth promotants 3773943 Charles City 1973
Nakaue, Harry alpha, alpha, alpha-trifluoro-6-substituted-5-nitro-5-toluic acid, 5-nitrofurfurylidene hydrazide compounds 3642784 Charles City 1972
Nelson, Danny newspaper vending unit 5363987 Charles City 1994
Nelson, Albert sawing apparatus 1198371 Rockford 1916
Olson, Harry flag standard 2263138 Nora Springs 1941
Otis, Nathaniel lightning rod 92638 Charles City 1869
Ott, Stanley vehicle ski rack 327043 Marble Rock 1992
Ott, Stanley vehicle trailer hitch adapted bicycle carrier 314543 Marble Rock 1991
Paddleford, John swinging gate 337360 Nora Springs 1886
Parsons, John corn planter 111774 Charles City 1871
Pegler, John wrench 1280533 Charles City 1918
Petersen, Gary antigenic proteins and vaccines containing them for prevention of coccidiosis caused by eimeria eimeria necatrix and eimeria tenella 5028694 Charles City 1991
Peterson, Oliver method of controlling odor 3706663 Charles City 1972
Peterson, Oliver vaccine against avian respiratory infection 2998349 Charles City 1961
Peterson, Oliver method of treating air sac infection in poultry with para-amino-benzoate composition 2748051 Charles City 1956
Peterson, Oliver chemotherapeutic preparation 2480104 Charles City 1949
Peterson, Henry storage battery 1012908 Charles City 1911
Petzold, Edgar process for producing sugars from starch 3236687 Charles City 1966
Pitts, Hanover cloth measuring machine 597824 Nora Springs 1898
Pitts, Hanover ironing board and plaiting machine 344805 Nora Springs 1886
Powers, William drain 1051757 Charles City 1913
Prunty, Robert control valve for hydraulic actuator 3035610 Charles City 1962
Radloff, William carbureter 1176600 Charles City 1916
Radloff, William automatic governor 302426 Rudd 1884
Raymond, Peter railway switch 114196 Charles City 1871
Refsnider, Winfield mold for hollow concrete blocks 1181035 Charles City 1916
Rex, Rudolph bird trap 49923 Charles City 1865
Roberts, Thomas leather rounding machine 393788 Rockford 1888
Rogge, Douglas anchor set tool 5038435 Charles City 1991
Rogge, Doug anchor set tool 4954025 Charles City 1990
Rolph, Dennis set tool and cap 5711043 Charles City 1998
Rolph, Dennis wall anchor 5743061 Charles City 1998
Rolph, Dennis newspaper vending unit 5363987 Charles City 1994
Ronayne, Ronald power take-off control valve 3669229 Charles City 1972
Rottinghaus, Vince Heating system for heating fluid in a tank 9719729 Charles City 2017
Rottinghaus, Vince ground heating device 7441986 Charles City 2008
Ruhl, Charles fluid lift mechanism 2707867 Charles City 1955
Rumsey, Reed vaccine against avian respiratory infection 2998349 Charles City 1961
Runnels, Paul borrelia burgdorferi bacterin 6316005 Floyd 2001
Russell, Jerome carbureter 1148461 Rudd 1915
Russell, Jerome carbureter 1044576 Rudd 1912
Sadler, John adjustable tongue hound 1503712 Rockford 1924
Schaper, Walter device for guiding horses 1062508 Charles City 1913
Schaper, William device for guiding horses 1062508 Charles City 1913
Schiesher, Matthew Methods and compositions for preparing lisdexamfetamine and salts thereof 8779191 Charles City 2014
Schiesher, Matthew Methods and compositions for preparation of amphetamine conjugates and salts thereof 8614346 Charles City 2013
Schiesher, Matthew Method of making amphetamine 7705184 Charles City 2010
Schmidtke, Edward elevator conveyor 2773586 Marble Rock 1956
Schmidtke, Edward wagon bolster jack 2467056 Charles City 1949
Schnarr, Henry shank protector 398453 Nora Springs 1889
Schnarr, Henry combined heel plate and counter support 291943 Nora Springs 1884
Schneider, John oil holder 1620294 Charles City 1927
Schneider, Conrad wind power 172784 Charles City 1876
Schneider, Conrad shingle gage 165880 Charles City 1875
Schnieder, John loading machine 1090418 Charles City 1914
Schutz, Kezia Method of making piperidine derivatives 8299258 Charles City 2012
Scofield, John planter and roller 367006 Charles City 1887
Secoy, Genevieve sweeping compound 1600515 Charles City 1926
Sellon, Clarence combined post and fence wire fastening device 917166 Rudd 1909
Semm, Charles vehicle coupling 751692 Carrville 1904
Semm, Fred pump attachment 712010 Charles City 1902
Sheets, John chimney top and ventilator 299175 Nora Springs 1884
Shook, Kenneth simplified nonplugging pump water closet 2580134 Marble Rock 1951
Siefken, Otto automobile radiator 1558205 Rockford 1925
Slagle, Dean separation of isomeric mixtures of nitroanilines 2671110 Charles City 1954
Smith, Darwin Fish-grabbing tool 9357758 Rockford 2016
Smith, Bruce closeable weatherproof blanket for children 259531 Charles City 1981
Soone, Alo Methods of O-demethylation 11136331 Charles City 2021
Stanley, William animal ringer 1892639 Charles City 1932
Staudt, Arnold tree anchoring device 4299052 Marble Rock 1981
Steinkamp, Frederick detachable streamer means for use in playing touch football 3063718 Charles City 1962
Stewart, Milford brake equalizer 2443331 Charles City 1948
Stille, Larry moisture monitor system and method for combine harvester 5106339 Rockford 1992
Stille, Larry grain dryer control system and method using moisture sensor 5144755 Rockford 1992
Stille, Larry grain dryer control system and method using moisture sensor 4916830 Rockford 1990
Stille, Larry apparatus for controlling power delivery to a grain stirring device 4374621 Rockford 1983
Stille, Larry grain dryer control system 4152840 Rockford 1979
Tedesco, John antigenic proteins and vaccines containing them for prevention of coccidiosis caused by eimeria eimeria necatrix and eimeria tenella 5028694 Charles City 1991
TePaske, Mark leporin a, an antiinsectan fungal metabolite 5281609 Charles City 1994
Tjaden, Larry three-point hitch guidance control 5246077 Charles City 1993
Tjaden, Leonard three-point hitch guidance control 5246077 Charles City 1993
Tracey, Michael Process for preparing hydromorphone and derivatives thereof 10370382 Charles City 2019
Tracey, Michael Preparation of saturated ketone morphinan compounds by catalytic isomerisation 9981978 Charles City 2018
Tracey, Michael Process for the formation of hydrocodone bitatrate 9981979 Charles City 2018
Tracey, Michael Crystalline form of a substituted thiazolylacetic acid triethylamine salt 9139542 Charles City 2015
Trainer, Teddy single direction toggle anchor 5215418 Charles City 1993
Trainer, Teddy security head anchor 5221167 Charles City 1993
Trees, Alonzo seeder attachment for vehicle bodies 2619355 Rockford 1952
Uetz, Al bearing assembly with a splined inner race 5584584 Charles City 1996
Uetz, Al bearing assembly with splined inner race and hay balers including same 5448944 Charles City 1995
Uttz, Lewis brush 185708 Nora Springs 1876
VanEssen, Harold 1-(4' -diazoniumphenyl)-pyridinium salts and the process of preparation 3985724 Charles City 1976
VanEssen, Harold coccidiosis control with quinolinol derivatives 3636216 Charles City 1972
VanEssen, Harold ortho-nitrobenzoic acid, 5-nitrofurfurylidene hydrazide 3376296 Charles City 1968
VanEssen, Harold nitrofuran derivatives for treating coccidiosis 3330724 Charles City 1967
VanEssen, Harold coccidiostatic remedies 2879201 Charles City 1959
VanEssen, Harold methyl-phenyl-arsonic acid blackhead control compositions 2815313 Charles City 1957
VanEssen, Harold organotin arsonate derivatives 2762821 Charles City 1956
VanHorn, Dean equalizer for harrow evener 3062562 Charles City 1962
Vatne, Robert alpha, alpha, alpha-trifluoro-6-substituted-5-nitro-5-toluic acid, 5'-nitrofurfurylidene hydrazide compounds as growth promotants 3773943 Charles City 1973
Vatne, Robert alpha, alpha, alpha-trifluoro-6-substituted-5-nitro-5-toluic acid, 5'-nitrofurfurylidene hydrazide compounds 3642784 Charles City 1972
Vatne, Robert composition for treating histomoniasis in poultry 3621095 Charles City 1971
Vatne, Robert compositions and a method for the prevention and control of histomoniasis which employ a 5-nitroimidazole and a benzenearsonic acid 3439097 Charles City 1969
Vatne, Robert 3,5-dinitrosalicylic acid, 5-nitrofurfuryli-dene hydrazide and compositions containing and methods employing the sme for the control of histomoniasis 3424845 Charles City 1969
Waggoner, Jacob hair trimmer attachment for electric razors 3008233 Charles City 1961
Waggoner, Jacob hair trimmer attachment 2932891 Charles City 1960
Walde, Arthur dinotrobenzamide remedies for coccidiosis and salmonella infections 3015606 Charles City 1962
Walde, Arthur coccidiostatic remedies 2879201 Charles City 1959
Walde, Arthur methyl-phenyl-arsonic acid blackhead control compositions 2815313 Charles City 1957
Walde, Arthur organotin arsonate derivatives 2762821 Charles City 1956
Walde, Arthur veterinary tetravalent tin compositions 2702775 Charles City 1955
Walde, Arthur veterinary tetravalent tin compositions 2702776 Charles City 1955
Walde, Arthur veterinary tetravalent tin compositions 2702777 Charles City 1955
Walde, Arthur veterinary tetravalent tin compositions 2702778 Charles City 1955
Walde, Arthur N,N'-(3-nirto-benzene-sulfonyl) ethylene-diamine compositions for the treatment of coccidiosis 2715600 Charles City 1955
Walde, Arthur composition for control of poultry coccidiosis 2449080 Charles City 1948
Walde, Arthur composition for control of poultry coccidiosis 2449081 Charles City 1948
Wallace, David traction wheel 1265406 Charles City 1918
Waller, Warren hen's nest and nest rack 1740323 Charles City 1929
Waller, Warren poultry perch 1526029 Charles City 1925
Waller, Warren poultry rack 1533484 Charles City 1925
Waller, Warren poultry perch 1262880 Charles City 1918
Waller, Warren wire tightener 913590 Charles City 1909
Waller, Warren hay stacker 794825 Charles City 1905
Waller, Warren horse collar 319044 Charles City 1885
Walleser, Ernst tractor filling device 2227611 Charles City 1941
Walling, John reagents and methods for the detection and quantification of testosterone in fluid samples 5851781 Charles City 1998
Walling, John reagents and methods for the detection and quantification of testosterone in fluid samples 5559210 Charles City 1996
Walling, John process for the production of 1-.alpha.-(carboxyalkyl)-testosterone 5581002 Charles City 1996
Walling, John reagents and methods for the detection and quantification of testosterone in fluid samples 5491071 Charles City 1996
Walsh, Clark storage structure for farm crops 2917138 Charles City 1959
Walsh, Clark prefabricated wire panel structures 2842232 Charles City 1958
Walsh, Clark wagon box elevating and tilting device 2549996 Charles City 1951
Walsh, Clark wagon box elevating and tilting device 2524498 Charles City 1950
Walsh, Clark design for a combined fluid pressure tank and stand 154966 Charles City 1949
Webster, John harvester 147208 Floyd 1874
Welch, Dean alpha, alpha, alpha-trifluoro-6-substituted-5-nitro-5-toluic acid, 5'-nitrofurfurylidene hydrazide compounds as growth promotants 3773943 Charles City 1973
Welch, Dean nitro-trifluoromethyl-benzanilides for treating coccidiosis 3743745 Charles City 1973
Welch, Dean nitro-trifluoromethyl-benzanilides 3689556 Charles City 1972
Welch, Dean alpha, alpha, alpha-trifluoro-6-substituted-5-nitro-5-toluic acid, 5-nitrofurfurylidene hydrazide compounds 3642784 Charles City 1972
Welch, Dean nitro-trifluoromethyl thiobenzamides 3555085 Charles City 1971
Welch, Dean process for producing nitroform 3491160 Charles City 1970
Wells, David Planetary drive system 8721490 Marble Rock 2014
Wickstrom, Eric Vehicle door power lock actuator 10087662 Charles City 2018
Wickstrom, Eric Power locking door handles with integrated keypad 9441403 Charles City 2016
Wickstrom, Eric Pull handle with integrated keypad D708924 Charles City 2014
Winn, Chester stanchion 496390 Charles City 1893
Wolverton, George plow 371908 Charles City 1887
Wyatt, Alvah antiglare shield 1790965 Nora Springs 1931
Young, Otis valve gearing 751769 Rockford 1904
Zbornik, Thomas coccidiostatic remedies 2879201 Charles City 1959
Zbornik, Thomas method of treating air sac infection in poultry with para-amino-benzoate composition 2748051 Charles City 1956
Zbornik, Thomas organotin arsonate derivatives 2762821 Charles City 1956
Zbornik, Thomas N,N'-(3-nitro-benzene-sulfonyl) ethylene-diamine compositions for the treatment of coccidiosis 2715600 Charles City 1955
Zbornik, Thomas separation of isomeric mixtures of nitroanilines 2671110 Charles City 1954
Zeran, Lewis dentist's implement 769426 Rockford 1904
Zierke, Vernon hoist for loading heavy tractor tires 2509950 Charles City 1950

Source: Iowa Inventors Database, 1843-2022, Davenport Public Library.
To view the complete file, select - Basic Search - Quick Lookup - enter Patent Number
[for Patent Numbers with 6 digits or less add leading zeros to make 7 total digits].
You will get a pdf that includes the description and drawing of the invention.

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