| Surname | Given Name | Residence | Title of Invention | Classification of Invention | Patent Number | Patent Granted |
| Abbott | Herbert E. | Oakville, IA | Throttle control for tractors | Tractors adapted for muti-purposes use characterized by the particular arrangement of control devices, e.g. having more than one control stand operable from vehicle extension (control-devices or systems characterized by mechanical features only) Partner Ezra Enz of Oakville, IA | US1390854A | 13 Sep 1921 |
| Abbott | Herbert E. | Oakville, IA | Tractor steering device | Steering controls, i.e. means for initiating a change of direction of the vehicle not vehicle-mounted. Partner Ezra Enz | US1327511A | 6 Jan 1920 |
| Archibald | J. T. | Wapello, IA | Improvement in corn-planters | Broadcast seeder; Seeders depositing seeds in rows. Partner J. Stone | US32091A | 16 Apr 1861 |
| Arnold | William H. | Morning Sun, IA | Locking device for ladders | Ladders capable of standing by themselves with hinged struts which rest on the ground with supporting struts formed as poles | US1125251A | 19 Jan 1915 |
| Bell | Thomas S. | Wapello, IA | Pruning Implement | Secateurs; Flower of fruit shears having elongated or extended handles. Partners G. R. Reed & J. S. Andres of Louisa Co., IA | US78918A | 16 Jun 1868 |
| Bond | Calvin O. | Columbus Junction, IA | Gate | | US1168997A | 18 Jan 1916 |
| Bridges | William C. | Wapello, IA | Lock for side and back combs | Clamps or clasps with teeth or combs | US931841A | 24 Aug 1909 |
| Bridges | William C. | Wapello, IA | Street-indicator | Indicators for reserved seats; Warning or like signs; Devices or arrangements in connection with tickets, e.g. ticket holders; Holders for cargo tickets or the like | US1018693A | 27 Feb 1912 |
| Bridges | William Converse | Wapello, IA | Single-delivery dispensing-receptacle | Containers or packages with special means for dispensing contents for dispensing annular, disc-shaped, spherical, or like small articles, e.g. tablets, pills, the dispensing means being adapted for delivering one article, or a single dose, upon each actuation | US997112A | 4 Jul 1911 |
| Brown | Howell C. | Morning Sun, IA | Support for silo-ladders | Arrangements for bypassing lifeline supports without lanyard disconnection | US1171697A | 15 Feb 1916 |
| Brown | Nicholas T. | Ononwa, IA | Improvement in horse-rakes | Rotating dividers | US35502A | 10 Jan 1862 |
| Buttman | Alonzo C. | Columbus City, IA | Combined pole-strap and collar-buckle | Buckle with movable prong | US699074A | 29 Apr 1902 |
| Buttman | Alonzo C. | Grandview, IA | Horse-detaching device | Providing for disengaging thills. Partner Franklin P. Gable | US1006842A | 24 Oct 1911 |
| Buttman | Alonzo C. | Columbus City, IA | Crate | Containers having bodies formed by interconnecting or uniting two or more rigid, or substantially rigid, components made wholly or mainly of wood or substitutes therefor collapsible, e.g. with all parts detachable | US785796A | 28 Mar 1905 |
| Buttman | Alonzo C. | Grandview, IA | Recoil-neutralizer | Special valve constructions; Shape or construction of throttling passages. Partner Franklin P. Gable | US1017953A | 20 Feb 1912 |
| Buttman | Alonzo C. | Grandview, IA | Saw attachment | Drills with a tubular body details about the connection between the driven shaft and the tubular cutting part. Partner Franklin P. Gable | US1226464A | 15 May 1917 |
| Buttman | Alonzo C. | Grandview, IA | Artificial-tooth plate | Linings. Partner A. J. Greiner of Louisa Co., IA | US1016128A | 30 Jan 1912 |
| Byram | John C. | Columbus Junction, IA | Heat radiator or drum | Recuperative heat exchanges the heat being recuperated from exhaust gases | US633501A | 19 Sep 1899 |
| Carithers | James T. | Morning Sun, IA | Tire | Auxiliary wheels or rings with traction-increasing surface attachable to the main wheel body | US916668A | 30 Mar 1909 |
| Carlisle | George S. | Columbus City, IA | Improvement in portable fences | Fences constructed of rigid elements , e.g. with post, with additional wire fillings using prefabricated panel-like elements, e.g. wired frames | US57672A | 4 Sep 1866 |
| Carpenter | Charles Albert | Columbus Junction, IA | Vehicle-brake | Arrangements of braking elements, i.e. of those parts where braking effect occurs specially for vehicles acting by retarding wheels acting otherwise than on tread, e.g. employing rim, drum, disc, or transmission or on double wheels employing drum | US1229411A | 12 Jun 1917 |
| Cole | C. O. | Lettsville, IA | Mechanical automatic selling-machine | Coin-freed apparatus for hiring articles; Coins-freed facilities or services for fastenings for doors; for turnstiles. Partners Daniel W. Shiek of Lettsville, IA and E.G. Grosjean of Mount Eaton, OH | US329225A | 27 Oct 1885 |
| Cole | Cary O. | Letts, IA | Automatic cigar-seller | Coin-freed apparatus for hiring articles; Coin-freed facilities or services for fastenings for doors; for turnstiles. Partner E G. Grosjean of Mount Eaton, OH | US352397A | 9 Nov 1886 |
| Cole | Cary O. | Letts, IA | Sash-fastener | Man-operated mechanisms for operating wings, including those which also operate the fastening. Partners D.W. Shiek of Letts, IA and E.G. Grosjean of Mount Eaton, OH | US326848A | 22 Sep 1885 |
| Cole | Cary Oberlin | Grandview, IA | Mechanical automatic cigar-seller | Coin-freed apparatus for hiring articles; Coin-freed facilities or services for devices exhibiting advertisements, announcements, pictures or the like for calendars. Partner Daniel Webster Shiek | US296468A | 8 Apr 1884 |
| Cole | David S. | Columbus Junction, IA | Fire-arm | Block action, i.e. the main breech opening movement being transverse to the barrel axis with sliding breech-block, e.g. vertically | US291153A | 1 Jan 1884 |
| Cole | David S. | Columbus Junction, IA | Breech-loading fire-arm | Block action, i.e. the main breech opening movement being transverse to the barrel axis with sliding breech-block, e.g. vertically | US289070A | 27 Nov 1883 |
| Cole | James L. | Columbus City, IA | thill coupling | Perforationg tools; Die holders | US86212A | 26 Jan 1869 |
| Cole | Mary Elizabeth | Letts, IA | Sash-fastener | Man-operated mechanisms for operating wings, including those which also operate the fastening | US345483A | 13 Jul 1886 |
| Cook | John J. | Columbus City, IA | Take-up device for axle-spindles | Construction relative to lubrication with grease as lubricant | US709747A | 23 Sep 1902 |
| Cook | John J. | Columbus Junction, IA | End-gate fastening | Movable tailboards for vehicles comparing non-movable sideboards, e.g. pick-up trucks | US444313A | 6 Jan 1891 |
| Crocker | Samuel | Oakland, (Fredonia P.O.) IA | Improvement in fences | Fences constructed of rigid elements, e.g. with posts, with additional wire filling using prefabricated panel-like elements, e.g. wired frames | US57872A | 11 Sep 1866 |
| Crocker | Samuel | Port Allen, IA | Improvement in cloth-measuring registers | Score-keepers or score display devices using non-electronic means | US137829A | 14 Apr 1873 |
| Crocker | Samuel | Columbus Junction, IA | Car-coupling | Car coupling or uncoupling mechanisms. Partner Stephen Crocker | US295985A | 1 Apr 1884 |
| Crocker | Stephen | Columbus Junction, IA | Car-coupling | Car coupling or uncoupling mechanisms. Partner Samuel Crocker | US295985A | 1 Apr 1884 |
| Davidson | Thomas L. | Bard, IA | Flood-gate | Fencing, e.g. fences enclosures, corrals | US643044A | 6 Feb 1900 |
| Dodder | George W. | Letts, IA | Drinking fountain for Poultry | Drinking appliances kept filled to constant level from incorporated storage. Partners F. H. Shellabarger and A.M. Garrett, also from Letts, IA | US513561A | 30 Jan 1894 |
| Doty | Charles E. | Columbus Junction, IA | Button slug cutting machine | Producting buttons or semi-finished parts of buttons by cutting, milling, turning, stamping, orperforating moulded parts; Surface treatment of buttons | US1499157A | 24 Jun 1924 |
| Dowson | Hector | Columbus Junction, IA | Sign | Signs name, or number plates, letters, numerals, or symbols; Panels of boards | US1260882A | 26 Mar 1918 |
| Duncan | Forest M. | Cotter, IA | Automobile fender brace | Mounting devices by rods or other distance-keeping devices. Partners Fred M. Molsberry of Columbus Junction, and Frank L. Vanhorn of Cotter, Iowa | US1476602A | 4 Dec 1923 |
| Durbin | John C. | Columbus Junction, IA | Improvement in meal-bins | Air draught or like pneumatic arrangements | US195809A | 2 Oct 1877 |
| Duryea | Wilbur O. | Morning Sun, IA | Extensible step-ladder | Ladders capable of standing by themselves with hinged struts which rest on the ground with supporting struts formed as poles with extensible, e.g. telescopic, ladder parts or struts | US600196A | 8 Mar 1898 |
| Duryea | Wilbur O. | Morning Sun, IA | Check-rower for corn planters | Machines for depositing quantities of seed at intervals | US605634A | 14 Jun 1898 |
| Egeberg | Henry | Columbus City, IA | Wagon brake lock | Means for preventing, limiting or returning the movements of parts of a control mechanism, e.g. locking controlling member for holding members in an indefinite number of positions, e.g. by a toothed quadrant by locking a member with respect to a fixed uadrant, rod, or the like by positive interengagement, e.g. by a pawl. Partner Lawrence Egeberg of Columbus City, IA | 124941 | 26 Mar 1872 |
| Egeberg | Lawrence | Columbus City, IA | Wagon brake lock | | 124941 | 26 Mar 1872 |
| Enz | Ezra | Oakville, IA | Throttle control for tractors | Tractors adapted for multi-purposes use characterized by the particular arrangement of control devices, e.g. having more than one control stand operable from vehicle extension (control-devices or systems characterized by mechanical features only) Partner Herbert E. Abbott of Oakville, IA | US1390854A | 13 Sep 1921 |
| Enz | Ezra | Oakville, IA | Tractor steering device | Steering controls, i.e. means for initiating a change of direction of the vehicle not vehicle-mounted. Partner Herbert E. Abbott | US1327511A | 6 Jan 1920 |
| Flack | Robert F. M. | Columbus City, IA | Improvement in stalk-cutters | Other machines for working soil not specially adapted for working soil on which crops are growing with rotating or circulating non-propelled tools | US130204A | 6 Aug 1872 |
| Foster | Ira L. | Columbus Junction, IA | Elevated carrier | Rope, cable, or chain winding mechanisms; Capstans having several drums or barrels | US805280A | 21 Nov 1905 |
| Fullerton | Asa Benjamin | Letts, IA | Heating-drum | Recuperative heat exchanges the heat being recuperated from exhaust gases | US8955550A | 11 Aug 1908 |
| Furnas | B. | Ononwa, IA | Improvement in cultivators | Other machines for working soil not specially adapted for working soil on which crops are growing with non-rotating tools drawn by animal or tractor or man-power with rigid tools. Partner C. Furnas | US36948A | 18 Nov 1862 |
| Furnas | C. | Ononwa, IA | Improvement in cultivators | Other machines for working soil not specially adapted for working soil on which crops are growing with non-rotating tools drawn by animal or tractor or man-power with rigid tools. Partner B. Furnas | US36948A | 18 Nov 1862 |
| Furnas | Wilkenson | Ononwa, IA | Improvement in cultivators | Other machines for working soil not specially adapted for working soil on which crops are growing with non-rotating tools drawn by animal or tractor of man-power with rigid tools | UA41614A | 16 Feb 1864 |
| Furnas | Wilkenson | Ononwa, IA | Improvement in plows | Other machines for working soil not specially adapted for working soil on which crops are growing with non-rotating tools drawn by animal or tractor or man-power with rigid tools | US33834A | 3 Dec 1861 |
| Gable | Franklin P. | Grandview, IA | Horse-detaching device | Providing for disengaging thills. Partner Alonzo C. Buttman | US1006842A | 24 Oct 1911 |
| Gable | Franklin P. | Grandview, IA | Recoil-neutralizer | Special valve constructions; Shape or construction of throttling passages. Partner Alonzo C. Buttman | US1017953A | 20 Feb 1912 |
| Gable | Franklin P. | Grandview, IA | Saw attachment | Drills with a tubular body details about the connection between the driven shaft and the tubular cutting part. Partner Alonzo C. Buttman | US1226464A | 15 May 1917 |
| Gentzler | Edward C. | Columbus Junction, IA | Starting mechanism for internal-combustion engines | Starting apparatus having hand cranks having safety means preventing damage caused by reverse rotation | US916296A | 23 Mar 1909 |
| Gilmore | Milton | Morning Sun, IA | Cooking and heating stove | Seeders combined with fertilising apparatus | US47713A | 16 May 1865 |
| Gilmore | William Converse | Letts, IA | Hand garden-plow | Adjustable blades. Parnter L. Van Horn & Snyder of Louisa Co., IA | US528937A | 13 Nov 1894 |
| Gilmore | William Converse | Letts, IA | Gardening-plow | Adjustable blades. | US538774A | 7 May 1895 |
| Greiner | A. J. | Louisa Co., IA | Artificial-tooth plate | Linings. Partner A. J. Greiner of Louisa Co., IA | US1016128A | 30 Jan 1912 |
| Guthrie | Moses | Clifton, Louisa Co., IA | Improvement in bee-hives | Other details of beehives, e.g. ventilating devices, entrances to hives, guards, partitions, bee escapes | US59593A | 13 Nov 1866 |
| Hall | Walter F. | Columbus Juction, IA | Vehicle spring | Stabilizer bars. Partner David A. Roe | US257387A | 2 May 1882 |
| Henry | Victor | Wapello, IA | Improvement in milliners and hatter irons | Hat-finishing, e.g. polishing, ironing, smoothing, brushing, impregnating, stiffening, decorating | US217217A | 8 Jul 1879 |
| Hepton | Allen W. | Columbus Junction, IA | Improvement in mechanical movements | Means for transmitting drive characterized by the combination of a motor-reduction unit and a mechanism for converting rotary into oscillatory movement. Partner John H. Kersey | US207425A | 27 Aug 1878 |
| Herrick | William C. | Wapello, IA | Refrigerator | Stationary cabinets | US625301A | 16 May 1899 |
| Hickok | Alonzo D. | Columbus City, IA | Head block for side bar buggies | Steering turntables | US255288A | 21 Mar 1882 |
| Hickok | Alonzo D. | Columbus City, IA | Whiffletree-hook | Swingletrees; Mountings thereof; Draught equalizers for a span of draught animals; Mounting for traces | US261710A | 25 Jul 1882 |
| Hickok | Alonzo D. | Columbus City, IA | Vehicle-spring | Resilient suspensions characterized by arrangement, location or kind of springs having helical, spiral or coil springs only | US229609A | 6 Jul 1880 |
| James | Charles E. | Cairo, IA | Spring-hub | Wheels of high resiliency, e.g. with conical interacting pressure-surfaces using springs resiliently mounted bicycle rims in helical form | US1324596A | 9 Dec 1919 |
| James | Levi | Columbus Junction, IA | Harness-hook | Bits | US851092A | 23 Apr 1907 |
| James | Walter | Cairo, IA | Air-cooling system for internal-combustion engines | Guilding or ducting air to , or from, ducted fans | US1315843A | 9 Sep 1919 |
| Johnson | Ludwig | Wapello, IA | Jar closure and brush | Glue vessels; Apparatus for warming or heating glue | US1607702A | 23 Nov 1926 |
| Jones | Trevannion A. | Wymn, IA | Rein-holder | Details or accessories; Fastening devices for bridles, reins, harnesses, or the like | US915771A | 23 Mar 1909 |
| Jordan | M. V. | Letts, IA | Check row attachment for corn planters | Arrangements for driving working parts of fertilisers or seeders | US335075A | 26 Jan 1886 |
| Joy | Alpha R. | Wapello, IA | Sparker | Mechanically-actuated certifugal switches | US795983A | 1 Aug 1905 |
| Keck | Henry A. | Wapello, IA | Automatic fan attachment for rocking-chairs | Means to protect against weather | US894012A | 21 Jul 1908 |
| Kersey | John H. | Columbus Junction, IA | Improvement in mechanical movements | Means for transmitting drive characterized by the combination of a motor-reduction unit and a mechanism for converting rotary into oscillatory movement. Partner Allen W. Hepton | US207425A | 27 Aug 1878 |
| Kilpatrick | Daniel | Morning Sun, IA | Rock drilling implement | Drilling with mechanical conveying means | US391899A | 30 Oct 1888 |
| Knauss | Windell P. | Columbus Junction, IA | Headlight reflector | Screens not covered by groups F21V!/00, F21V3/00, F21V7/00 or F21V9/00 | US1525866A | 10 Feb 1925 |
| Kuntz | Jake J. | Oakville, IA | Automobile fender brace | Mounting devices by rods or other distance-keeping devices. | US1375594A | 19 Apr 1921 |
| Kuntz | Jake J. | Oakville, IA | Jack | Single levers, e.g. parallel links | US1342389A | 1 Jun 1920 |
| Kuntz | Jake J. | Oakville, IA | Running-board support | Running boards | US1258579A | 5 Mar 1918 |
| Kuntz | Joseph W. | Oakville, IA | Adjustable concave | Devices for adjusting the concaves | US1334910A | 23 Mar 1920 |
| Lehmann | Otto | Columbus City, IA | Improvement in steaming apparatus | Controlling water feed or water level; Automatic water feeding or water-level regulators | US113068A | 28 Mar 1871 |
| Leonard | David A. | Morning Sun, IA | Clothes-rack | Necktie holders; Belt holders mounted on wall, ceiling or the like | US866489A | 17 Sep 1907 |
| McCarney | John T. | Columbus Junction, IA | Horse-power | Toothed gearings for conveying rotary motion without gears having orbital motion involving more than two intermeshing members with non-parallel axes | US297825A | 29 Apr 1884 |
| McClurkin | John C. | Morning Sun, IA | Ditching-plow | Dredgers or soil-shifting machines for special purposes for digging trenches or ditches with coulters, ploughs, scraper plates, or the like | US231598A | 24 Aug 1880 |
| McClurkin | Oak B. | Morning Sun, IA | Wrench | Spanners; Wrenches with adjustable jaws the jaws being slidable by rack and pinion, worm or gear | US1367408A | 1 Feb 1921 |
| McClurkin | Oak B. | Morning Sun, IA | Wrench | Spanners; Wrenches with adjustable jaws being slidable by screw or nut | US1367407A | 1 Feb 1921 |
| McDaniel | Joseph A. | Lettsville, IA | Attachment for corn planters | Devices for making drills or furrows | US261942A | 1 Aug 1882 |
| McDaniel | Joseph A. | Letts, IA | Fence-post | Ground anchors | US807488A | 19 Dec 1905 |
| McDaniel | Leroy H. | Letts, IA | Air heating radiator | Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with heat-exchange conduits immersed in the body of fluid with air flow channels with an air driving element | US727668A | 12 May 1903 |
| McNatton | Adam O. | Columbus Junction, IA | Collar or hame fastener | Horse collars; Manufacturing same | US979321A | 20 Dec 1910 |
| Metzger | Isbon | near Winfield, IA | Journal-bearing | Rotating lubricating devices with scoops or the like attached to, or coupled with, the axle. Oliver Metzgar & Samuel Metgar administrators of said Isbon Metzger, deceased | US736532A | 18 Aug 1903 |
| Metzger | Isbon | Louisa Co., IA | Journal and bearing therefor | Rotating lubricating devices with scoops or the like attached to , or coupled with, the axle | US543187A | 23 Jul 1895 |
| Metzger | Isbon | Louisa Co., IA | Journal and box | Sealing means preventing entrance of dust or leakage of oil | US537059A | 9 Apr 1895 |
| Metzger | Isbon | Louisa Co., IA | Journal-bearing | Arrangements for supplying oil or unspecified lubricant from a moving reservoir or the equivalent with reservoir on or in a rotary member. Oliver and Samuel Metzger, administrators of said Isbon Metzger, deceased. | US734923A | 28 Jul 1903 |
| Metzger | Isbon | Wapello, IA | Journal-bearing | Sliding-contact bearings self-adjusting with spherical surfaces, e.g. spherical plain bearing for radial load mainly, e.g. radial spherical plain bearings | US650852A | 5 Jun 1900 |
| Metzger | Isbon | near Winfield, IA | Journal-bearing | Tightening mechanisms | US707147S | 19 Aug 1902 |
| Metzger | Isbon | Winifield, IA | Journal-bearing | Arrangements for supplying oil or unspecified lubricant from a moving reservoir or the equivalent with reservoir on or in a rotary member. | US697864A | 15 Apr 1902 |
| Metzger | Isbon | near Winfield, IA | Journal-bearing | Axle-boxes with roller, needle, or ball bearings the axle being slidable or tiltable in the bearings and having springs opposing such movements | US771993A | 11 Oct 1904 |
| Metzger | Isbon | near Winfield, IA | Journal and boxing and bearing therefor | Means for supporting bearings, e.g. insulating supports or means of fittings bearings in the bearing-shields using sliding-contact or spherical cap bearings radially supporting the rotary shaft at booth ends of the rotor | US509178A | 21 Nov 1893 |
| Minor | John O. | Wapello, IA | Improvement in Hedge Shears | Hand sheares; Scissors combined with auxiliary implements, e.g. with cigar cutter, with manicure instrument to aid hair cutting | US67207A | 30 Jul 1867 |
| Morris | Benjamin F. | Marsh, IA | Harrow | Drags graders for field cultivators | US725359A | 14 Apr 1903 |
| Moyers | George F. | Oakville, IA | Tire heating device | Tyre heaters | US618710A | 31 Jan 1899 |
| Myers | Paris Eliga | Grandview, IA | Nut-lock | Locking by means of pawl or pawl-like tongue | US743544A | 10 Nov 1903 |
| Newell | Stanley | Wapello, IA | Combined closure and eraser for fountain pens | Artist's hand tools for sculpturing, kneading, carving, guilloching or embossing; Accessories therefor for substantially two-dimensional cariving, engraving or guilloching | US1302954A | 6 May 1919 |
| Nyberg | John A. | Oakville, IA | Wagon reach | Foldable, extensible or yielding trailers | US849695A | 9 Apr 1907 |
| Orr | S. Y. | Morning Sun, IA | Improvent in corn-planters | Machines for depositing quantities of seed at intervals. Partner J. M. Virgin. | US91961A | 29 Jun 1869 |
| Pease | Harry O. | Wapello, IA | Glass-cutting tool | Glass-cutting tools, e.g. scoring tools | US1115333A | 27 Oct 1914 |
| Pfeifer | Charley A. | Columbus City, IA | Corn-planter | devices for adjusting the seed-box Regulation of machines for depositing quantities at intervals | US305330A | 16 Sep 1994 |
| Pfeiffer | Charles Albert | Wapello, IA | Plow | Other machines for working soil or specially adapted for working soil on which crops are growing with non-rotating tools drawn by animal or tractor or man-power with rigid tools | US482751A | 20 Sep 1892 |
| Pfeiffer | John P. | Marsh, IA | Harrow | Drages graders for field cultivators | US725359A | 14 Apr 1903 |
| Randleman | Benjamin D. | Port Louisa, IA | Improved clasp for joining belts | V-belt fastenings | US802219A | 21 Jul 1868 |
| Rasley | Huie M. | Letts, IA | Antirattling thill-coupling | Draught assemblies | US629172A | 18 Jul 1899 |
| Reed | Albert F. | Wapello, IA | Piston-ring tool | Hand tools, especially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for connecting objects by press fit or detaching same mounting or demounting piston rings | US1395140A | 25 Oct 1921 |
| Reiner | John F. | Columbus City, IA | Improvement in thill-couplings | Draught assemblies. Partner Charles W. H Deland, of Cedar Rapids, IA. | US150300A | 28 Apr 1874 |
| Reiner | John F. | Columbus City, IA | Improvement in joints for shackles | Traction couplings; Hitches; Draw-gear; Towing devices | US77915A | 12 May 1868 |
| Roe | David A. | Columbus Junction, IA | Vehicle spring | Stabilizer bars. Partner Walter F. Hall | US257387A | 2 May 1882 |
| Rollins | J. H. | Wapello, IA | Vapor-lamp | Preheating devices; Vaporizing devices | US28306A | 15 May 1860 |
| Ryder | John B. | Wapello, IA | Corn planter | Fences constructed of rigid elements, e.g. with posts, with additional wire filling using prefabricated panel-like elements, e.g. wired frames | US38214A | 21 Apr 1863 |
| Ryder | John B. | Wapello, IA | Improvement in machines for cutting stalks | Mowers; Mowing apparatus of harvesters specially adapted for particular purposes for cutting up or crushing remaining standing stalks, e.g. stubble | US48312A | 20 Jun 1865 |
| Sabin | James O. | Wapello, IA | Poultry roost | Perches for poultry or birds, e.g. roosts | US1443278A | 23 Jan 1923 |
| Scheihing | George | Morning Sun, IA | Water fountain | Drinking appliances | US1575796A | 9 Mar 1926 |
| Selzer | Ella M. | Morning Sun, IA | Chicken brooder or coop | Chicken coops or houses for baby chicks; Brooders including auxiliary features, e.g. feeding, watering, demanuring, heating, ventilation | US944918A | 28 Dec 1909 |
| Selzer | John R. | Morning Sun, IA | Drinking fountain | Drinking appliances kept filled to constant level from incorporated storage. Partners E.M. Selzer, F. C. Selzer & J. Ed Selzer | US891190A | 16 Jun 1908 |
| Selzer | John R. | Morning Sun, IA | Carbureter | Spray cleaning | US646320A | 27 Mar 1900 |
| Shellabarger | Havey M. | Wapello, IA | Manufacturing of fence-posts and railroad-ties | Shaping or impregnating by compression not applied for producing articles of definite length, i.e. discrete articles using matched moulds, e.g. for deforming sheet moulding compound [SMC], prepregs and impregnating the reinforcements in the closed mould, e.g. resin transfer moulding [RTM], e.g. by vacuum | US840263A | 1 Jan 1907 |
| Shiek | Daniel W. | Lettsville, IA | Mechanical automatic selling-machine | Coin-freed apparatus for hiring articles; Coins-freed facilities or services for fastenings for doors; for turnstiles. Partners C.O. Cole of Lettsville, IA and E.G. Grosjean of Mount Eaton, OH | US329225A | 27 Oct 1885 |
| Shiek | Daniel Webster | Grandview, IA | Mechanical automatic cigar-seller | Coin-freed apparatus for hiring articles; Coin-freed facilities or services for devices exhibiting advertisements, announcements, pictures or the like for calendars. Partner Cary Oberlin Cole | US296468A | 8 Apr 1884 |
| Shipman | Andrew B. | Columbus Junction, IA | Show-case | Rotary show cases or cabinets | US413872A | 29 Oct 1889 |
| Shipman | Elmer | Wapello, IA | Hinge connection for folding basket-racks for wagons | Vehicles for carrying harvested crops with means for self loading or unloading | US967070A | 9 Aug 1910 |
| Siline | Robert | Wapello, IA | Jar closure and brush | Glue vessels; Apparatus for warming or heating glue | US1607702A | 23 Nov 1926 |
| Skinner | William | Wyman, IA | Tile-ditching machine | Dredgers or soil-shifting machines for special purposes for digging trenches or ditches with coulters, ploughs, scraper plates, or the like | US376352A | 10 Jan 1888 |
| Smith | James H. | Toolesborough, IA | Floor clamp | Implements for finishing work on buildings for laying flooring of single elements, e.g. flooring cramps; flexiable webs | US74128S | 4 Feb 1868 |
| Steel | Arthur R. | Letts, IA | Improvement in motors | Other motors, e.g. gravity or inertia motors. Partner Laura Steel | US205814A | 9 Jul 1878 |
| Steel | Laura | Letts, IA | Improvement in motors | Other motors, e.g. gravity or inertia motors. Partner Arthur R. Steel | US205814A | 9 Jul 1878 |
| Sterett | John | Morning Sun, IA | Breast-collar | Leads or collars, e.g. for dogs with light-emitting or ornamental devices | US439206A | 28 Oct 1890 |
| Stewart | D. S. | Wapello, IA | Improved evaporator for sorghum-juice | Evaporators or boiling pans specially adapted for sugar juices; Evaporating or boiling sugar juices | US40862A | 8 Dec 1863 |
| Stingley | Gilead H. | Columbus Junction, IA | Gate | Suspension arrangements for wings with successive different movements with both swinging and sliding movements | US1232440A | 3 Jul 1817 |
| Stone | J. | Wapello, IA | Improvement in corn-planters | Broadcast seeder; Seeders depositing seeds in rows. Partner J. T. Archibald | US32091A | 16 Apr 1861 |
| Van Cott | Stephen | Cone, IA | Gate | Suspension arrangements for wings with successive different movements with both swinging and sliding movements | US1232440A | 3 Jul 1817 |
| Van Horn | Launy | Lett, IA | Gas-fixture and mirror-support | Shaving mirrors illuminated | US833492A | 16 Oct 1906 |
| Van Horn | Launy | Letts, IA | Hand garden-plow | Adjustable blades | US561455A | 2 Jun 1896 |
| Van Velkinburg | Casabianca | Morning Sun, IA | Attachment for last-jacks | Writing-tables | US1174301A | 7 Mar 1916 |
| Virgin | J. M. | Morning Sun, IA | Improvement in corn-planters | Machines for depositing quantities of seed at intervals. Partner S. Y. Orr. | US91961A | 29 Jun 1869 |
| Votroubek | Louis | Columbus Junction, IA | Button | Eye-buttons | US765758A | 26 Jul 1904 |
| Wagner | Henry | Louisa Co., IA | Brace for fence-posts | Anchoring means therefor, e.g. specially-shaped parts entering the ground; Struts or the like | US1030497A | 25 Jun 1912 |
| White | John H. | Columbus City, IA | Improvement in hay elevators and carriers | Cable cranes, i.e. comprising hoisting devices running on aerial cable-ways with cable-ways supported on framework swingably connected to ground engaging elements | US127003A | 21 May 1872 |
| Wiederreicht | Fred | Wapello, IA | Gate-hinge | Adjustable hinges at the hinge axis in an axial direction | US1253655A | 15 Jan 1918 |
| Will | Hironimus | Columbus City, IA | Thill coupling | Crans hooks with means, e.g. spring-biased detnets, for preventing inadvertent disengagement of loads | US80690A | 4 Aug 1868 |
| Williams | Albert F. | Fredonia, IA | Gate | Doors arranged at the vehicle sides for load transporting vehicles or public transport, e.g. lorries, trucks, buses | US651911A | 19 Jun 1900 |
| Williams | Lawrence | Columbus Junction, IA | Means for adjusting strokes of windmills | Wear-compensating mechanisms, e.g. slack adjusters mechanical and non-automatic by means of linear adjustment with screw-thread and nut | US737541A | 25 Aug 1903 |
| Williams | Lawrence | Columbus City, IA | Means for adjusting strokes of windmills | Wear-compensating mechanisms, e.g. slack adjusters mechanical and non-automatic by means of linear adjustment with screw-thread and nut | US737541A | 25 Aug 1903 |
| Williams | Lawrence | Columbus City, IA | Pipe-wrench | Spanners; Wrenches with adjustable jaws the jaws being pivotally movable | US593149A | 2 Nov 1897 |
| Williams | William Grant | Columbus Junction, IA | Chiropractic operating-table | Physiotherapeutic tables, beds or platforms; Chiropractic or osteopathic tables | US1269354A | 11 Jun 1918 |
| Wilson | Louie G. | Morning Sun, IA | Automonocycle | Motor vehicles or trailers, characterised by the arrangement or number of wheels, not otherwise provided for, e.g. four wheels in diamond pattern | US1236030A | 7 Aug 1917 |
| Wilson | Louie G. | Morning Sun, IA | Beet harvester | Harvesting of standing crops of flax or similar fibrous plants | US1257168A | 19 Feb 1918 |
| Wilson | Louie G. | Morning Sun, IA | Float valve | Actuating devices; Operating means; Releasing devices actuated by fluid actuated by a float actuating a lift valve with a transmission with parts linked together from a single float to a single valve | US1340999A | 25 May 1920 |
| Wilson | Louis Glenn | Morning Sun, IA | Automonocycle | Vehicles characterized by having other propulsion or other ground-engaging means than wheels or endless track, alone or in addition to wheels or endless track having other than ground-engaging propulsion means, e.g. having propellers | US1345727A | 6 Jul 1920 |
| Wilson | Robert | Columbus City, IA | Stove | Combinations of two or more stoves or ranges, e.g. each having a different kind of energy supply | US13194A | 3 Jul 1855 |
| Wilson | Robert | Columbus City, IA | Apparatus for heating-feed-water to seam-boilers | Feed-water heaters, i.e. economizers of like preheaters specially adapted for locomotives | US13193A | 3 Jul 1855 |
