This database of the 381 patents issued to Jones county residents
was gathered by Jim Christianson
from the State Library of Iowa website.
You can view further data and
images by visiting Google Patent
Search and enter identifying information in the search box. You might also visit the U. S. Patent and Trademark Office website.
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| Sugar Evaporator by James High, 1863 |
Hemp Brake by John T Gilman, 1864 |
Article of Jewelry by Roy Kleineck, 1943 |
Denture Cleaner by Brian James, 1993 |
Tire Bender by Joseph Tomlinson, 1873 |
Click on images for larger views
| PAT. # | Name | Town | Title | Date |
|---|---|---|---|---|
| 3693593 | Ackermann, Harry John | Monticello | automatic poultry feeding device | 26 Sep 1972 |
| 209639 | Ainsworth, Clark | Monticello | harvester | 5 Nov 1878 |
| 212879 | Ainsworth, Clark | Monticello | elevator for harvesters | 4 Mar 1879 |
| 3931877 | Albaugh, LeMar L. | Anamosa | material diverter structure | 13 Jan 1976 |
| 46202 | Aldrich, David C. | Anamosa | churn | 7 Feb 1865 |
| 1018227 | Althen, Frederick C. | Anamosa | bias band maker | 20 Feb 1912 |
| 1561453 | Althen, Frederick C. | Anamosa | milk bottle carrier | 17 Nov 1925 |
| 656495 | Anderson, James P. | Anamosa | carburetor | 21 Aug 1900 |
| 2516744 | Arends, Arnold J. | Monticello | cow tail holder | 25 Jul 1950 |
| 30390 | Baldwin, William | Anamosa | tanning | 16 Oct 1860 |
| 4883022 | Barker, B. A, | Monticello | animal waterer | 28 Nov 1989 |
| 3835882 | Barker, Bernard A. | Monticello | float valve assembly | 17 Sep 1974 |
| 4901753 | Barker, Bernard A. | Monticello | float assembly valve | 20 Feb 1990 |
| 183107 | Beam, Charles | Jackson Twp | milk safe | 10 Oct 1876 |
| 1103169 | Beam, Frank B. | Anamosa | combined dish drainer, steamer, roaster, or baking pan | 14 Jul 1914 |
| 1510972 | Beam, Stephen E. | Anamosa | casket stand | 7 Oct 1924 |
| 25671 | Beardsley, Frederick F. | Castle Grove | tanning composition | 4 Oct 1859 |
| 348715 | Bedford, George J. | Anamosa | freight car lock | 7 Sep 1886 |
| 384736 | Bedford, George J. | Anamosa | mail pouch | 19 Jun 1888 |
| 459484 | Bedford, George J. | Anamosa | lock | 15 Sep 1891 |
| 759961 | Beems, Clark A. | Anamosa | knockdown box | 17 May 1904 |
| 1033980 | Belknap, John A. | Anamosa | spade step | 30 Jul 1912 |
| 751451 | Belknap, Thomas M. | Anamosa | rail joint | 9 Feb 1904 |
| 934132 | Benedict, James Z. | Monticello | push cart | 14 Sep 1909 |
| 3059444 | Bickel, Fay D. | Anamosa | freezing apparatus | 16 Oct 1962 |
| 493814 | Bingham, William F. | Monticello | watch bow fastener | 21 Mar 1893 |
| 493815 | Bingham, William F. | Monticello | watch key | 21 Mar 1893 |
| 363981 | Bissell, Daniel J. | Anamosa | cultivator attachment | 31 May 1887 |
| 508401 | Blood, Charles N. | Anamosa | stump extractor | 14 Nov 1893 |
| 523100 | Blood, Charles N. | Anamosa | stump extractor | 17 Jul 1894 |
| 525481 | Blood, Charles N. | Anamosa | rope grip | 4 Sep 1894 |
| 533431 | Blood, Charles N. | Anamosa | stump extractor | 5 Feb 1895 |
| 2261048 | Bobst, Charles P. | Anamosa | cover or lid fastener | 28 Oct 1941 |
| 4175418 | Bollwitt, Duaine L. | Monticello | temperature monitoring and temperature differential control device | 27 Nov 1979 |
| 51947 | Bowen, Asa C. | Bowen's Prairie | hay loader | 9 Jan 1866 |
| 77248 | Bradstreet, S. Y. | Monticello | safety truck | 28 Apr 1868 |
| RE3024 | Bradstreet, S. Y. | Monticello | improved safety truck | 7 Jul 1868 |
| 5521608 | Brandt, Robert L. | Anamosa | multibay coplanar direction finding antenna | 28 May 1996 |
| 810708 | Brister, Samuel H. | Monticello | brush | 23 Jan 1906 |
| 4441824 | Brokaw, Kim C. | Monticello | portable waste agitator | 10 Apr 1984 |
| 164554 | Bronson, James W. | Wyoming | bridle bit | 15 Jun 1875 |
| 703232 | Brown, Frank E. | Anamosa | ice skate | 24 Jun 1902 |
| 340281 | Brownell, Benjamin C. | Center Junction | self clearing breaking plow colter | 20 Apr 1886 |
| 1370781 | Burns, James L. | Anamosa | toilet tank and valve | 8 Mar 1921 |
| 141916 | Burns, Joseph | Anamosa | earth boring machine | 19 Aug 1873 |
| 732274 | Byrne, Michael F. | Monticello | screen and storm door | 30 Jun 1903 |
| 5886665 | Carlson, Stephen G. | Anamosa | gnss local constellation/ acquisition aiding system | 23 Mar 1999 |
| 5309598 | Carpenter, Joyce A. | Oxford Junction | paint scraper kit | 10 May 1994 |
| 5461736 | Carpenter, Joyce A. | Oxford Junction | portable hydraulic lift step stool for raising handicapped patients to an elevated location | 31 Oct 1995 |
| 814830 | Carroll, Louis W. | Anamosa | telephone system | 13 Mar 1906 |
| 958224 | Carroll, Louis W. | Anamosa | electric signaling apparatus | 17 May 1910 |
| 996701 | Carroll, Louis W. | Anamosa | automatic cut out for aerial telephone lines and the like | 4 Jul 1911 |
| 1036796 | Carroll, Louis W. | Anamosa | selective signal | 27 Aug 1912 |
| 651297 | Cashen, John | Monticello | vehicle brake | 5 Jun 1900 |
| 149639 | Chandler, John A. | Monticello | reamer for earth borers | 14 Apr 1874 |
| 193395 | Chandler, John A. | Monticello | wood sawing machine | 24 Jul 1877 |
| 191001 | Chase, Job | Langworthy | hay stacker | 22 May 1877 |
| 171549 | Chatfield, Alonzo B. | Anamosa | door spring | 28 Dec 1875 |
| 574136 | Clark, Leroy | Monticello | corn husker | 29 Dec 1896 |
| 550946 | Clymer, Albert | Olin | sawbuck | 10 Dec 1895 |
| 674758 | Cole, Rebecca J. | Olin | kitchen cabinet | 21 May 1901 |
| 203421 | Cole, Sherman M. | Anamosa | pump | 17 May 1878 |
| 296531 | Cole, Sherman M. | Anamosa | measuring pump | 8 Apr 1884 |
| 324301 | Cole, Sherman M. | Anamosa | measuring pump | 11 Aug 1885 |
| 400637 | Cole, Sherman M. | Anamosa | washing machine | 2 Apr 1889 |
| 771715 | Cole, Sherman M. | Anamosa | fire escape | 4 Oct 1904 |
| 777003 | Cole, Sherman M. | Anamosa | rotating door | 6 Dec 1904 |
| 936761 | Cole, Sherman M. | Anamosa | cuff shaper | 12 Oct 1909 |
| 6125685 | Collier, Rebecca E. | Madison | apparatus and method for the evaluation of asphalt mixes | 3 Oct 2000 |
| 918970 | Conmey, Fred W. | Wyoming | fuel economizer | 20 Apr 1909 |
| 574136 | Conner, Patrick H. | Monticello | corn husker | 29 Dec 1896 |
| 581065 | Conner, Patrick H. | Monticello | hitching post | 20 Apr 1897 |
| 590610 | Conner, Patrick H. | Monticello | hay loader coupling | 28 Sep 1897 |
| 611354 | Conner, Patrick H. | Monticello | vending machine | 27 Sep 1898 |
| 200897 | Conser, Eli P. | Monticello | revolving box churn and device for operating the same | 5 Mar 1878 |
| 30390 | Crane, Boswell | Anamosa | tanning | 16 Oct 1860 |
| 471233 | Crane, Sylvannus B. | Oxford Junction | automatic car indicator operating device | 22 Mar 1892 |
| 430117 | Crane, Sylvanus B. | Oxford Junction | station indicator | 17 Jun 1890 |
| 1523176 | Cubbage, Dacil | Oxford Junction | foot accelerator for motor vehicles | 13 Jan 1925 |
| 2614433 | Cuckler, David E. | Monticello | portable power unit | 21 Oct 1952 |
| 232388 | Cudworth, John G. | Anamosa | milk cooler | 21 Sep 1880 |
| 304522 | Cummings, Charles A. | Monticello | trace-carrier | 2 Sep 1884 |
| 317443 | Cunningham, Phebe J. | Amber | flower stand | 5 May 1885 |
| 241939 | Curtis, Nimrod J. | Martelle | check rower for corn planters | 24 May 1881 |
| 241939 | Curtis, William J.T. | Martelle | check rower for corn planters | 24 May 1881 |
| 1327088 | Curttright, George L. | Olin | hog oiler | 6 Jan 1920 |
| 440421 | Curttwright, John E. | Onslow | combine rack and dish warmer | 11 Nov 1890 |
| 3465832 | De Larm, Gerald L. | Wyoming | farm implement lift assembly and drawbar combination | 9 Sep 1969 |
| 6325399 | DeMoss, David | Anamosa | side lift wheel chairs | 4 Dec 2001 |
| 6412424 | Dirks, Dave | Monticello | tailgate display table | 2 Jul 2002 |
| 3028905 | Dirks, Henry D. | Anamosa | shaft straightening machine | 10 Apr 1962 |
| 1228540 | Druecker, Joseph M. | Stone City | automatic dumping and righting mechanism for tiltable dump cars | 5 Jun 1917 |
| 1575554 | Dufloth, Philip L. | Anamosa | knife sharpener | 2 Mar 1926 |
| 720120 | Elges, Gottlieb D. | Monticello | window screen | 10 Feb 1903 |
| 401259 | Ellis, Lucien W. | Anamosa | sheaf carrier for harvesters | 9 Apr 1889 |
| 401259 | Ellis, Lucien W. | Anamosa | sheaf carrier for harvesters | 9 Apr 1889 |
| 480944 | Ellis, Lucien W. | Anamosa | bundle carrier for harvesters | 16 Aug 1892 |
| 549114 | Ellis, Lucien W. | Anamosa | sheaf carrier | 5 Nov 1895 |
| 4910443 | Etscheidt, Ronald J. | Anamosa | electronic control circuit for a bidirectional motor | 20 Mar 1990 |
| 4912380 | Etscheidt, Ronald J. | Anamosa | field installable electrical operator for a circuit breaker | 27 Mar 1990 |
| 4921083 | Etscheidt, Ronald J. | Anamosa | clutch module with predetermined torque | 1 May 1990 |
| 5166862 | Etscheidt, Ronald J. | Anamosa | panel for mounting electronics | 24 Nov 1992 |
| 5486666 | Etsheidt, Ronald J. | Anamosa | protective cover for electrical terminals and method of using same | 23 Jan 1996 |
| PAT. # | NAME | TOWN | TITLE | DATE |
|---|---|---|---|---|
| 581882 | Fagan, Lewis E. | Onslow | equalizing device for windmills | 4 May 1897 |
| 648102 | Fagan, Lewis E. | Onslow | draft equalizer | 24 Apr 1900 |
| 1653353 | Farmer, Guy E. | Anamosa | ice cream gun | 20 Dec 1927 |
| 818946 | Flowers, Isaac | Martelle | time controlling mechanism for pumps | 24 Apr 1906 |
| 680376 | Forsythe, James | Onslow | expansion drill | 13 Aug 1901 |
| 1285666 | Franklin, Ray W. | Monticello | switch for elevated carriers | 26 Nov 1918 |
| 1301417 | Franklin, Ray W. | Monticello | connecting device | 22 Apr 1919 |
| 1317695 | Franklin, Ray W. | Monticello | rail and cable connection | 7 Oct 1919 |
| 1322686 | Franklin, Ray W. | Monticello | stanchion | 25 Nov 1919 |
| 641586 | French, Carl E. | Monticello | combined clothes reel and tent | 16 Jan 1900 |
| 641586 | French, Oscar D. | Monticello | combined clothes reel and tent | 16 Jan 1900 |
| 800368 | Frutchey, Lydia | Martelle | mitten | 26 Sep 1905 |
| 2234524 | Fulwider, Forest L. | Anamosa | churn support | 11 Mar 1941 |
| 5788307 | Gilbert, Louis A. | Anamosa | pickup body protection apparatus | 4 Aug 1998 |
| 5944372 | Gilbert, Louis A. | Anamosa | pickup body protection apparatus | 31 Aug 1999 |
| 42847 | Gillman, John T. | Walnut Fork | hemp brake | 24 May 1864 |
| 304522 | Glaser, John C. | Monticello | trace-carrier | 2 Sep 1884 |
| 4888937 | Glenn, Willis H. | Olin | apparatus for bagging hay bales | 26 Dec 1989 |
| 941874 | Gorman, Grover M. | Anamosa | corn planter | 30 Nov 1909 |
| 147632 | Graham, David | Anamosa | washing machine | 17 Feb 1874 |
| 1096905 | Griffith, John C. | Anamosa | cement block molding machine | 19 May 1914 |
| 44088 | Hadley, R. S. | Anamosa | water wheel | 6 Sep 1864 |
| 317768 | Hakes, Frank M. | Martelle | harrow | 12 May 1885 |
| 1167295 | Hall, John S. | Monticello | pulley block | 4 Jan 1916 |
| 1500315 | Hall, Nelson C. | Olin | tool | 8 Jul 1924 |
| 1558981 | Hall, Thomas C. | Anamosa | cuspidor | 27 Oct 1925 |
| 178435 | Hannan, Joseph | Jones Co | hog trough | 6 Jun 1876 |
| 178435 | Hannan, Joseph | Jones Co | hog trough | 6 Jun 1876 |
| 1045704 | Hansell, Marcus E. | Anamosa | furnace grate | 26 Nov 1912 |
| 1207751 | Hansell, Marcus E. | Anamosa | grate bar | 12 Dec 1916 |
| 1134968 | Hanson, Bennie P. | Monticello | neck yoke | 6 Apr 1915 |
| 1134969 | Hanson, Bennie P. | Monticello | tongue construction | 6 Apr 1915 |
| 1137712 | Hanson, Bennie P. | Monticello | whiffletree | 27 Apr 1915 |
| 6351464 | Hanson, Joel K. | Anamosa | virtual second line hybrid network communication system | 26 Feb 2002 |
| 6393017 | Hanson, Joel K. | Anamosa | virtual pbx system | 21 May 2002 |
| 6535585 | Hanson, Joel | Anamosa | system and method for notification upon successful message delivery | 18 Mar 2003 |
| 6697474 | Hanson, Joel | Anamosa | systems and methods for receiving telephone calls via instant messaging | 24 Feb 2004 |
| 6766001 | Hanson, Joel | Anamosa | process and apparatus for messaging upon incomplete call | 20 Jul 2004 |
| 6775272 | Hanson, Joel K. | Anamosa | virtual pbx system | 10 Aug 2004 |
| 6868074 | Hanson, Joel | Anamosa | mobile data device and method of locating mobile data device | 15 Mar 2005 |
| 247053 | Harris, Nathaniel F. | Monticello | can | 13 Sep 1881 |
| 164554 | Hartson, LaFayette | Wyoming | bridle bit | 15 Jun 1875 |
| 180762 | Hartson, LaFayette | Wyoming | trace fastening | 8 Aug 1876 |
| 215919 | Hartson, LaFayette | Wyoming | grain steamer and drier | 27 May 1879 |
| 254311 | Hartson, LaFayette | Wyoming | buckle attachment for straps | 28 Feb 1882 |
| 281870 | Hartson, LaFayette | Wyoming | harness buckle and loop | 24 Jul 1883 |
| 303372 | Hartson, LaFayette | Wyoming | crupper former and stretcher | 12 Aug 1884 |
| 336313 | Hartson, LaFayette | Wyoming | wear plate for harness | 16 Feb 1886 |
| 2023835 | Heiken, Carl G. | Anamosa | electrified stock hurdle | 10 Dec 1935 |
| 437199 | Heisey, John H. | Monticello | can handle | 30 Sep 1890 |
| 606760 | Heisey, John H. | Monticello | wire stretcher | 5 Jul 1898 |
| 745013 | Heisey, John H. | Monticello | wire stretcher | 24 Nov 1903 |
| 836379 | Helsey, John H. | Monticello | wire stretcher | 20 Nov 1906 |
| 384205 | Henry, Charles A. | Monticello | hay loader | 5 Jun 1888 |
| 488561 | Henry, Charles A. | Monticello | hay loader | 27 Dec 1892 |
| 40934 | High, James | Walnut Fork | sugar evaporator | 15 Dec 1863 |
| 672768 | Hine, Thomas W. | Scotch Grove | nut lock | 23 Apr 1901 |
| 507070 | Hines, Thomas O. | Jackson Township, Jones Co | beehive | 17 Oct 1893 |
| 1047222 | Hoag, Ray C. | Monticello | duster | 17 Dec 1912 |
| 2416585 | Holub, Arthur E. | Wyoming | reel for barbed wire | 25 Feb 1947 |
| 514369 | Husmann, John | Scotch Grove | device for attaching hay loaders to wagons | 6 Feb 1894 |
| 514369 | Husmann, Tobe | Scotch Grove | device for attaching hay loaders to wagaons | 6 Feb 1894 |
| D337163 | James, Brian | Monticello | ultrasonic denture cleaner for household use | 6 Jul 1993 |
| 6243277 | Jenkins, Daniel E. | Anamosa | bi-directional dc to dc converter for energy storage applications | 5 Jun 2001 |
| 1137977 | Jenney, Robert T. | Monticello | vehicle tongue draft appliance | 4 May 1915 |
| 1184960 | Jenney, Robert T. | Monticello | wagon end gate | 30 May 1916 |
| 1214039 | Jenney, Robert T. | Monticello | means for operating driven mechanisms | 30 Jan 1917 |
| 1251040 | Jenney, Robert T. | Monticello | knee protector | 25 Dec 1917 |
| 2472080 | Jordan, William D. | Anamosa | barrel contracting tool | 7 Jun 1949 |
| 3481061 | Julin, William N. | Monticello | self opening greeting cards | 2 Dec 1969 |
| 3688228 | Karge, Joseph R. | Anamosa | actuating mechanism for operating handle of electrical switching device | 29 Aug 1972 |
| 3794943 | Karge, Joseph R. | Anamosa | motor driven actuating mechanism for a pivotable operating handle of an electrical control device | 26 Feb 1974 |
| 296180 | Kersten, Marzell | Garfield | metallic tag | 1 Apr 1884 |
| 347180 | Kersten, Marzell | Oxford Junction | seal lock | 10 Aug 1886 |
| 992778 | Ketcham, George G. | Anamosa | wagon hay rack | 23 May 1911 |
| 396659 | Ketcham, James H. | Anamosa | ditching spade | 22 Jan 1889 |
| 396659 | Ketcham, John E. | Anamosa | ditching spade | 22 Jan 1889 |
| 396659 | Ketcham, Squire E. | Anamosa | ditching spade | 22 Jan 1889 |
| 353032 | Kimball, Charles E. | Anamosa | valve gear | 23 Nov 1886 |
| 164743 | Kimball, John M. | Wyoming | hog trap | 22 Jun 1875 |
| 1118021 | Klein, Hans | Olin | brake | 24 Nov 1914 |
| 1380215 | Kleineck, Roy J. | Oxford Junction | tire chain | 31 May 1921 |
| 1445598 | Kleineck, Roy J. | Oxford Junction | tire chain, hook, and tightener | 13 Feb 1923 |
| D136020 | Kleineck, Roy J. | Onslow | design for a pin or similar article | 30 Jul 1943 |
| 4591109 | Kremer, Stephen H. | Monticello | wire dispensing multi-spool protective holder | 27 May 1986 |
| 3849012 | Krous, Theodore | Monticello | building structure fastener | 19 Nov 1974 |
| 169009 | Krouse, John G. | Onslow | hay raker and loader | 19 Oct 1875 |
| 1225651 | Krouse, William G. | Wyoming | engine supporting device | 8 May 1917 |
| 1230174 | Krouse, William G. | Wyoming | spark retarder for Ford engines | 19 Jun 1917 |
| 358400 | Kuhlman, Joseph F. | Anamosa | washing machine | 22 Feb 1887 |
| 378138 | Kuhlman, Joseph F. | Anamosa | washing machine | 21 Feb 1888 |
| 3116618 | Lacey, Floyd S. | Onslow | slip clutch | 7 Jan 1964 |
| 537834 | Lake, George W. | Monticello | weather strip | 23 Apr 1895 |
| 1251040 | Langer, Rudolph J. | Monticello | knee protector | 25 Dec 1917 |
| 1371175 | Langer, Rudolph J. | Monticello | basket handle | 8 Mar 1921 |
| 1371175 | Langer, Rudolph J. | Monticello | basket handle | 8 Mar 1921 |
| 1413410 | Langer, Rudolph J. | Monticello | feed trough for animal pens | 18 Apr 1922 |
| 1621209 | Langer, Rudolph J. | Monticello | stanchion | 15 Mar 1927 |
| 1621210 | Langer, Rudolph J. | Monticello | stop bar | 15 Mar 1927 |
| 1698759 | Langer, Rudolph J. | Monticello | handle bar for implements | 15 Jan 1929 |
| 1752095 | Langer, Rudolph J. | Monticello | stanchion | 25 Mar 1930 |
| 1806473 | Langer, Rudolph J. | Monticello | watering bowl | 19 May 1931 |
| 1889204 | Langer, Rudolph J. | Monticello | clevis | 29 Nov 1932 |
| 1895165 | Langer, Rudolph J. | Monticello | fence post brace | 24 Jan 1933 |
| PAT. # | NAME | TOWN | TITLE | DATE |
|---|---|---|---|---|
| 5986559 | Larson, Tad D. | Anamosa | infinitely adjustable position sensor with visual confirmation | 16 Nov 1999 |
| 6003387 | Larson, Tad D. | Anamosa | flow sensor for use on crop harvesting having two arms and a middle integrated portion extending in the flow path | 21 Dec 1999 |
| 356541 | Lasack, Adolf | Oxford Junction | hay loader | 25 Jan 1887 |
| 404096 | Lasack, Adolph | Oxford Junction | hay loader | 28 May 1889 |
| 428844 | Lasack, Adolph | Oxford Junction | hay loader | 27 May 1890 |
| 453492 | Lasack, Adolph | Oxford Junction | hay loader | 2 Jun 1891 |
| 453492 | Lasack, Albert | Oxford Junction | hay loader | 2 Jun 1891 |
| 1209309 | Lathrop, James H. | Oxford Junction | stock waterer | 19 Dec 1916 |
| 802868 | Laude, William H. | Monticello | rivet cutter | 24 Oct 1905 |
| 1018064 | Laude, William H. | Monticello | sod cutter | 20 Feb 1912 |
| 714493 | Lawrence, Joseph O. | Monticello | cultivator | 25 Nov 1902 |
| 4342406 | Lee, Gerry A. | Olin | dispenser flow proportioning device | 3 Aug 1982 |
| 1417845 | Leesekamp, Andrew | Anamosa | cask cover | 30 May 1922 |
| 1113451 | Levasseur, Clement C. | Martelle | rural mail delivery apparatus | 13 Oct 1914 |
| 380211 | Levasseur, John E. | Monticello | butter can | 27 Mar 1888 |
| 403054 | Levasseur, John E. | Monticello | butter can | 7 May 1889 |
| 241033 | Lewis, Alexander | Monticello | device for skimming milk | 3 May 1881 |
| 294644 | Liddy, Dennis H. | Monticello | coupling plate for whiffletrees | 4 Mar 1884 |
| 153580 | Linnell, J. M. | Monticello | sawing machines | 28 Jul 1874 |
| 203169 | Lunger, William W. | Anamosa | nut lock | 30 Apr 1878 |
| 205110 | Lunger, William W. | Anamosa | clip for neck yokes | 18 Jun 1878 |
| 37698 | Luther, Jacob | Walnut Fork | water wheel | 17 Feb 1863 |
| 2885097 | Lyon, Donald G. | Monticello | automatic pallet loader | 5 May 1959 |
| 3022905 | Lyon, Donald G. | Monticello | unloader apparatus for stacked articles or the like | 27 Feb 1962 |
| 354562 | Matthews, Cyrus | Anamosa | bread toaster | 21 Dec 1886 |
| 1012393 | Matthews, John H. | Monticello | wire stretcher | 19 Dec 1911 |
| 1095997 | Matthews, John H. | Monticello | woven wire clamp | 5 May 1914 |
| 5425305 | Mauritz, Forrest | Monticello | hydraulic cylinder piston with center flow bypass valve | 20 Jun 1995 |
| 6170383 | Mauritz, Forrest | Monticello | piston bypass valve | 9 Jan 2001 |
| 44642 | McClure, B. W. | Wyoming | horse collar block | 11 Oct 1864 |
| 88400 | McClure, B. W. | Wyoming | horse collar | 30 Mar 1869 |
| 206119 | McGinty, Edward H. | Center Junction | car coupling | 16 Jul 1878 |
| 3132833 | McLaughlin, James N. | Monticello | jack | 12 May 1964 |
| 3167055 | McLaughlin, James N. | Monticello | animal actuated insecticide applicator | 26 Jan 1965 |
| 206119 | Mead, Francis | Center Junction | car coupling | 16 Jul 1878 |
| 2942835 | Meyer, Lester E. | Olin | automatic weigher for cattle feed | 28 Jun 1960 |
| 2942836 | Meyer, Lester Ernest | Olin | automatic weigher for cattle feed and the like | 28 Jun 1960 |
| 1320887 | Michels, Charles Sr. | Anamosa | chimney cleaner and safety device | 4 Nov 1919 |
| 308783 | Milne, Hector A. | Monticello | capstan for stump extractors | 2 Dec 1884 |
| 308783 | Milne, James J.J. | Monticello | capstan for stump extractors | 2 Dec 1884 |
| 330722 | Milne, James | Scotch Grove | device for coupling rope | 17 Nov 1885 |
| 474675 | Milne, James | Scotch Grove | rope hook | 10 May 1892 |
| 475333 | Milne, James | Scotch Grove | stump puller | 24 May 1892 |
| 330722 | Milne, Joseph J. | Scotch Grove | device for coupling rope | 17 Nov 1885 |
| 1275070 | Moncrief, Sherman | Center Junction | broom holder | 6 Aug 1918 |
| 1195492 | Moore, V. Charles | Monticello | envelop | 22 Aug 1916 |
| 1113451 | Morris, Daniel M. | Martelle | rural mail delivery apparatus | 13 Oct 1914 |
| 1379712 | Munkel, Walter G. | Anamosa | flush tank and flush valve therefor | 31 May 1921 |
| 1451430 | Munkel, Walter G. | Anamosa | toilet hopper | 10 Apr 1923 |
| 946765 | Myers, Josiah | Anamosa | mop ringer | 18 Jan 1910 |
| 333363 | Nash, Amasa W. | Garfield | spring bed | 29 Dec 1885 |
| 744094 | Netcott, George A. | Monticello | fire escape | 17 Nov 1903 |
| 1173456 | Neumann, John F. | Anamosa | target | 29 Feb 1916 |
| 772251 | NIchols, John H. | Anamosa | flue stop | 11 Oct 1904 |
| 82341 | Nicholson, J. S. | Anamosa | clothes press | 22 Sep 1868 |
| 4499908 | Niehaus, Frederick D. | Martelle | combine concave structure | 19 Feb 1985 |
| 3336786 | Norlin, Carmen L. | Monticello | bicycle repair tool | 22 Aug 1967 |
| 437199 | Oliver, Thomas | Monticello | can handle | 30 Sep 1890 |
| 450107 | Oliver, Thomas | Monticello | type writing machine | 7 Apr 1891 |
| 3866756 | Oltman, Fay W. | Anamosa | pen stand | 18 Feb 1975 |
| 3856420 | Oltmann, Fay W. | Anamosa | extended life pen | 24 Dec 1974 |
| 153013 | Page, Dexter | Monticello | earth augers | 14 Jul 1874 |
| 1117081 | Parker, Frank L. | Anamosa | rerailing device | 10 Nov 1914 |
| 2599935 | Pasker, Gerald J. | Monticello | hydraulic line coupling | 10 Jun 1952 |
| 2849255 | Pasker, Gerald J. | Monticello | hoist mechanism for dump trucks | 26 Aug 1958 |
| 3236189 | Pasker, Gerald J. | Monticello | variable delivery piston pump | 22 Feb 1966 |
| 447199 | Paul, Lawrence H. | Wyoming | return pulley | 24 Feb 1891 |
| 4502414 | Paulsen, Nick E. | Center Junction | farrowing pen | 5 Mar 1985 |
| 1457265 | Peck, Leland E. | Wyoming | press | 29 May 1923 |
| 1241145 | Peet, Truman J. | Monticello | crimping machine | 25 Sep 1917 |
| 1610582 | Pegariek, George | Oxford Junction | hay wagon | 14 Dec 1926 |
| 1546507 | Pegorik, Anthony | Oxford Junction | pump attachment | 21 Jul 1925 |
| 245973 | Pelton, Phineas | Martelle | car coupling | 23 Aug 1881 |
| 382007 | Pierce, Charles | Monticello | belt tightener | 1 May 1888 |
| 25671 | Pierce, Seneca | Castle Grove | tanning composition | 4 Oct 1859 |
| 611354 | Podhaski, Frank M. | Monticello | vending machine | 27 Sep 1898 |
| 373305 | Quigley, William F. | Anamosa | felt boot | 15 Nov 1887 |
| 197663 | Quinby, Levi C. | Monticello | feather renovator | 27 Nov 1877 |
| 208635 | Quinby, Levi C. | Monticello | metallic harness loop | 1 Oct 1878 |
| 250350 | Quinby, Levi C. | Monticello | bosom board | 6 Dec 1881 |
| 622538 | Rice, Samuel J. | Scotch Grove | stock rack for platform scales | 4 Apr 1899 |
| 5632153 | Ricklefs, Raymond E. | Anamosa | system and process for cleansing brine in a food-chilling circuit | 27 May 1997 |
| 5331919 | Root, John | Anamosa | medication scheduling device | 26 Jul 1994 |
| 118975 | Ross, Oliver B. | Bowen's Prairie | grain binder | 12 Sep 1871 |
| 201838 | Ross, Oliver B. | Monticello | gang cheese press | 26 Mar 1878 |
| 5878995 | Rundle, Paul E. | Wyoming | lifting device for concrete mixer vehicle drum | 9 Mar 1999 |
| 1492483 | Ryan, Charles W. | Anamosa | roof bracket | 29 Apr 1924 |
| 210150 | Rynerson, Robert A. | Bowen's Prairie | combined land roller and clod crusher | 19 Nov 1878 |
| 88416 | Sackett, Matthew | Monticello | broadcast seeder | 30 Mar 1869 |
| 640594 | Sanford, Delano | Scotch Grove | crank wheel | 2 Jan 1900 |
| 6161650 | Sauser, Edwin J. | Monticello | lubricating system for a vibratory apparatus | 19 Dec 2000 |
| 107294 | Sawyer, Eli | Madison | marking attachment to corn planters | 13 Sep 1870 |
| 4165184 | Schlarmann, Philip J. | Scotch Grove | apparatus for asphaltic concrete hot mix recycling | 21 Aug 1979 |
| 4318619 | Schlarmann, Philip J. | Scotch Grove | method of and apparatus for asphaltic concrete hot mix recycling | 9 Mar 1982 |
| 1244904 | Scott, Addie G. | Anamosa | automobile garment | 30 Oct 1917 |
| 196543 | Scriven, Oliver G. | Langworthy | milking stool | 30 Oct 1877 |
| 522622 | Sears, George | Onslow | power shears | 10 Jul 1894 |
| 540275 | Sears, George | Onslow | combined punching, shearing, and tire upsetting machine | 4 Jun 1895 |
| 643167 | Sears, George | Onslow | combined punching, shearing, and plow welding machine | 13 Feb 1900 |
| 721841 | Sears, William T. | Onslow | metal working machine | 3 Mar 1903 |
| 900213 | Sears, William T. | Onslow | cutting, punching, and tire shrinking machine | 6 Oct 1908 |
| PAT. # | NAME | TOWN | TITLE | DATE |
|---|---|---|---|---|
| 1440414 | Seeger, Charlie | Morley | wind board for hay loaders | 2 Jan 1923 |
| 813242 | Seeger, Henry | Morley | nut lock | 20 Feb 1906 |
| 1267285 | Shanklin, Urban J. | Anamosa | releasing means | 21 May 1918 |
| 809991 | Sheridan, Frank | Anamosa | dustless attachment for brooms | 16 Jan 1906 |
| 1135065 | Shipley, Herman W. | Center Junction | rail tie and fastener | 13 Apr 1915 |
| 270021 | Shuman, M. Cole | Anamosa | measuring pump | 2 Jan 1883 |
| 3574320 | Sigmund, Donald F. | Anamosa | mulcher bar assembly | 13 Apr 1971 |
| 2557895 | Skelley, Arthur E. | Monticello | basket handle | 19 Jun 1951 |
| 340160 | Slauson, Daniel | Monticello | gate | 20 Apr 1886 |
| 6543292 | Smith, Bruce V. | Monticello | piezoresistive air pressure sensor | 8 Apr 2003 |
| 325456 | Smith, C. Haldridge | Anamosa | wall bracket | 1 Sep 1885 |
| 1492483 | Snyder, Clarence M. | Anamosa | roof bracket | 29 Apr 1924 |
| 351289 | Stadmueller, Mix F.E. | Castle Grove | washing machine | 19 Oct 1886 |
| 320188 | Stadtmuller, Max F.E. | Castle Grove | hay loader | 16 Jun 1885 |
| 2286586 | Starks, Benjamin | Monticello | cross wedge | 16 Jun 1942 |
| 472279 | Starks, John | Fairview | grubbing machine | 5 Apr 1892 |
| 923454 | Stearns, Dana L. | Martelle | vehicle jack and lifter | 1 Jun 1909 |
| 1257419 | Stimpson, Thomas Jr. | Anamosa | internal combustion motor | 26 Feb 1918 |
| 568378 | Stout, John S. | Oxford Junction | draw bar | 29 Sep 1896 |
| 845594 | Stout, John S. | Oxford Junction | snow plow | 26 Feb 1907 |
| 3143158 | Sundquist, Grant L. | Monticello | engine positioner and shaft straightener | 4 Aug 1964 |
| 6686818 | Svetanoff, Dale | Monticello | reverberation chamber tuner and shaft with electromagnetic radiation leakage device | 3 Feb 2004 |
| 1010980 | Tallman, Ellsworth | Morley | vehicle tire | 5 Dec 1911 |
| 2681454 | Tallman, John | Anamosa | vertically adjustable bed frame | 22 Jun 1954 |
| 2893192 | Tallman, John | Anamosa | central delivery hay rake | 7 Jul 1959 |
| 372500 | Tasker, Thomas G. | Onslow | cultivator | 1 Nov 1887 |
| 445267 | Tasker, Thomas G. | Wyoming | attachment for plows | 27 Jan 1891 |
| 6865477 | Taylor, Gordon A. | Anamosa | high resolution autonomous precision positioning system | 8 Mar 2005 |
| 1118701 | Teeter, Mahlon H. | Monticello | adjustable automobile pedal | 24 Nov 1914 |
| 6079366 | Telleen, Bruce A. | Monticello | removable dairy free stall base | 27 Jun 2000 |
| 1218129 | Templeman, James A. | Anamosa | lubricating device | 6 Mar 1917 |
| 247053 | Thoeni, Martin | Monticello | can | 13 Sep 1881 |
| 459716 | Thoeni, Martin | Monticello | combined band coupling and handle for cans | 15 Sep 1891 |
| 566817 | Thoeni, Martin | Monticello | milk cooling apparatus | 1 Sep 1896 |
| 1329150 | Thomas, Raymond G. | Monticello | method of and apparatus for measuring the heights of superposed liquids of varying specific gr | 27 Jan 1920 |
| 2598465 | Thomas, Raymond G. | Monticello | vapor injector | 27 May 1952 |
| 737884 | Thompson, John H.M. | Center Junction | cattle stanchion | 1 Sep 1903 |
| 3284041 | Tjaden, Owen G. | Monticello | holding device | 8 Nov 1966 |
| 135497 | Tomlinson, Joseph | Onslow | bolt cutter | 4 Feb 1873 |
| 135498 | Tomlinson, Joseph | Onslow | tire bender | 4 Feb 1873 |
| RE5409 | Tomlinson, Joseph | Onslow | improvement in machines for bending tires | 13 May 1873 |
| 80843 | Toof, Edwin J. | Madison | lamp burner | 11 Aug 1868 |
| 300663 | Trester, David Clinton | Anamosa | chimney cap | 17 Jun 1884 |
| 533402 | Trester, David C. | Anamosa | rope coupling | 29 Jan 1895 |
| 465221 | Tucker, Alfred B. | Monticello | kitchen cabinet | 15 Dec 1891 |
| 798933 | Tucker, Chalmer D. | Oxford Junction | automatic letter box alarm | 5 Sep 1905 |
| 907919 | Turner, Charles J. | Monticello | box lip clamp | 29 Dec 1908 |
| 1057901 | Turner, Charles J. | Monticello | wire stretcher | 1 Apr 1913 |
| 522622 | Underwood, William H. | Onslow | power shears | 10 Jul 1894 |
| 5498847 | Van Waart, Douglas | Anamosa | arc stack for a circuit breaker | 12 Mar 1996 |
| 5504292 | Van Waart, Douglas | Anamosa | arc stack for a circuit breaker | 2 Apr 1996 |
| 5817998 | Van Waart, Douglas Paul | Anamosa | circuit breaker with handle locking device | 6 Oct 1998 |
| 333363 | VanDelinder, Luther J. | Garfield | spring bed | 29 Dec 1885 |
| 5678961 | VanWaart, Douglas P. | Anamosa | quick change adapter | 21 Oct 1997 |
| 5902966 | VonMuenster, Ken | Anamosa | grain drill scales | 11 May 1999 |
| 1563124 | Wald, John R. | Anamosa | dies | 24 Nov 1925 |
| 1883836 | Wallace, Kieran | Clay Twp | tractor wheel lug | 18 Oct 1932 |
| 479040 | Warner, Henry F. | Monticello | speed governor attachment | 19 Jul 1892 |
| 479040 | Warner, William B. | Monticello | speed governor attachment | 19 Jul 1892 |
| 89718 | Weaver, Devolson | Anamosa | drive well point | 4 May 1869 |
| 639638 | Weber, Gustav A. | Monticello | clothes line fastener | 19 Dec 1899 |
| 2702182 | Wenger, Edward C. | Monticello | tie for fence posts | 15 Feb 1955 |
| 2659090 | Westfahl, William C. | Olin | portable bathtub | 17 Nov 1953 |
| 120690 | Williams, Henry D. | Fairview | ditching plow | 7 Nov 1871 |
| 168311 | Williams, John C. | Olin | harrow | 28 Sep 1875 |
| 1450934 | Wilson, Jesse E. | Oxford Junction | air confining and releasing valve | 10 Apr 1923 |
| 1861487 | Yeoman, William F. | Monticello | adjustable hayrack clamp | 7 Jun 1932 |
| 2029809 | Yeoman, William F. | Monticello | jar lifter | 4 Feb 1936 |
| 2029810 | Yeoman, William F. | Monticello | jar holder | 4 Feb 1936 |
| 272826 | Young, James | Monticello | apparatus for tightening tires | 20 Feb 1883 |
| 272826 | Young, Peter | Monticello | apparatus for tightening tires | 20 Feb 1883 |
| 3059444 | Zaruba, John P. | Anamosa | freezing apparatus | 16 Oct 1962 |
| 843250 | Zigler, Stephen S. | Oxford Junction | combined trousers stretcher and presser | 5 Feb 1907 |
