| May | John | car axle | 420307 | Cedar Rapids | 1890 |
| Blassing | William | ornament for jewelry | 420508 | Central City | 1890 |
| Hart | George | cultivating plow | 429171 | Viola | 1890 |
| Hall | Oliver | electric body battery | 420936 | Marion | 1890 |
| Miller | Horace | lawn mower | 439806 | Mount Vernon | 1890 |
| Miller | Grant | lawn mower | 439806 | Mount Vernon | 1890 |
| May | John | door check | 441314 | Cedar Rapids | 1890 |
| St. John | Justin | head rest | 430731 | Cedar Rapids | 1890 |
| Dobson | William | head rest | 430731 | Marion | 1890 |
| Kratzer | David | two wheeled vehicle | 441767 | Marion | 1890 |
| Kratzer | David | vehicle | 441768 | Marion | 1890 |
| Kratzer | David | sulky | 441769 | Marion | 1890 |
| Carmody | John | pulley | 441825 | Cedar Rapids | 1890 |
| Carhart | Lizzie | darning last | 432661 | Marion | 1890 |
| Tuttle | Hosmer | grain binder frame | 432807 | Cedar Rapids | 1890 |
| Riley | Phillip | rail joint support | 424221 | Marion | 1890 |
| Kratzer | David | road cart | 433572 | Marion | 1890 |
| Thomas | John | horse collar fastener | 425836 | Cedar Rapids | 1890 |
| Littlejohn | Joseph | car coupling | 450537 | Cedar Rapids | 1891 |
| Thomas | Edward | car coupling | 450537 | Cedar Rapids | 1891 |
| Adams | Albert | hammock stretcher | 451009 | Cedar Rapids | 1891 |
| Booth | Albert | telegraph repeater | 451449 | Cedar Rapids | 1891 |
| Simmons | Thomas | seal | 452050 | Cedar Rapids | 1891 |
| Balwin | Ranson | seal | 452050 | Cedar Rapids | 1891 |
| Ives | Charles | seal | 452050 | Cedar Rapids | 1891 |
| Miller | David | railway rail joint | 452939 | Marion | 1891 |
| Carmody | John | pulley | 453075 | Cedar Rapids | 1891 |
| Ferguson | Samuel | hay loader | 488732 | Cedar Rapids | 1892 |
| Rollins | John | car coupling | 479990 | Cedar Rapids | 1892 |
| Ebi | Edward | dental plugger | 470184 | Cedar Rapids | 1892 |
| Bressler | Jacob | house moving truck | 471598 | Cedar Rapids | 1892 |
| Bressler | Lowel | house moving truck | 471598 | Cedar Rapids | 1892 |
| Washburn | William | voltaic pile | 482444 | Cedar Rapids | 1892 |
| Bressler | Allen | house moving truck | 471598 | Cedar Rapids | 1892 |
| Williams | Dyer | car coupling | 482445 | Cedar Rapids | 1892 |
| Ross | David | combined blotter and ruler | 472079 | Cedar Rapids | 1892 |
| Littlejohn | Joseph | car coupling | 483879 | Cedar Rapids | 1892 |
| Thomas | Edward | car coupling | 483879 | Cedar Rapids | 1892 |
| Gevers | Christopher | horse blanket | 483980 | Cedar Rapids | 1892 |
| Cowden | James | barrell | 474723 | Cedar Rapids | 1892 |
| Ferguson | Samuel | hay loader | 510965 | Cedar Rapids | 1893 |
| Brainard | Sidney | bed and cylinder printing machine | 498530 | Cedar Rapids | 1893 |
| Woodman | Frank | car coupling | 498870 | Cedar Rapids | 1893 |
| Wagner | William | cultivator | 491822 | Central City | 1893 |
| Washburn | William | electrotherapeutic device | 500172 | Cedar Rapids | 1893 |
| Freshour | Andrew | sliding gate | 492282 | Cedar Rapids | 1893 |
| Milnes | John | veterinary operating table | 492819 | Cedar Rapids | 1893 |
| Reid | Mary | dish drainer | 519736 | Fairfax | 1894 |
| Linter | William | cooler | 521119 | Cedar Rapids | 1894 |
| Robertson | William | lathe for relieving taps | 521510 | Cedar Rapids | 1894 |
| Kopp | Frank | fire escape | 522990 | Cedar Rapids | 1894 |
| Hayden | Zerah | shears | 523984 | Cedar Rapids | 1894 |
| Lefebure | Emil | indexed book | 512724 | Fairfax | 1894 |
| Elliott | William | button attaching machine | 526012 | Marion | 1894 |
| Hart | George | hoe or shovel | 533169 | Viola | 1895 |
| Ronemus | William | railway car construction | 545096 | Cedar Rapids | 1895 |
| Carmody | John | indexing cutter | 533527 | Cedar Rapids | 1895 |
| Tuttle | Hosmer | grain binder | 547695 | Cedar Rapids | 1895 |
| Tuttle | Hosmer | grain binder band making machine | 547696 | Cedar Rapids | 1895 |
| Tuttle | Hosmer | straw band grain binder | 547697 | Cedar Rapids | 1895 |
| Tuttle | Hosmer | means for making straw bands for grain binders | 547698 | Cedar Rapids | 1895 |
| Tuttle | Hosmer | grain binder | 547699 | Cedar Rapids | 1895 |
| Tuttle | Hosmer | means for making straw bands for grain binders | 547700 | Cedar Rapids | 1895 |
| Rabus | Frederick | center rest for lathes | 537548 | Cedar Rapids | 1895 |
| Ferguson | Samuel | carrier apron | 538443 | Cedar Rapids | 1895 |
| Garnes | Frank | deflector for blast stackers | 549121 | Cedar Rapids | 1895 |
| Anthony | Charles | stump puller | 539328 | Cedar Rapids | 1895 |
| Richardson | Lucius | handle bar for bicycles | 549211 | Cedar Rapids | 1895 |
| Coffits | John | corn planter | 566842 | Cedar Rapids | 1896 |
| Loy | William | heating stove | 567034 | Cedar Rapids | 1896 |
| Rich | Lester | pump valve | 556213 | Cedar Rapids | 1896 |
| Haines | James | top board fastener for wagons | 567591 | Cedar Rapids | 1896 |
| Keith | Elmer | lock jaw wrench | 567945 | Mount Vernon | 1896 |
| De La Hunt | Reverdy | flush tank | 557560 | Cedar Rapids | 1896 |
| Adams | Albert | rope fastener | 568827 | Cedar Rapids | 1896 |
| Booth | Albert | automatic cut out for electrical transformers | 569538 | Cedar Rapids | 1896 |
| Andrews | Aretas | automatic vehicle and motor power | 559561 | Center Point | 1896 |
| Lowell | Tone | grass catcher for lawn mowers | 576787 | Cedar Rapids | 1897 |
| Brennenman | Clarence | pipe attachment | 576945 | Marion | 1897 |
| Ferguson | Samuel | hay loader | 581403 | Cedar Rapids | 1897 |
| Ferguson | Samuel | hay loader | 581404 | Cedar Rapids | 1897 |
| Shaver | Frederick | apparatus for measuring matter in variable test tubes | 581472 | Cedar Rapids | 1897 |
| Strong | William | placer gold extracting machine | 594041 | Cedar Rapids | 1897 |
| Bradley | Louis | tobacco pipe | 582006 | Cedar Rapids | 1897 |
| Austin | Frederick | device for loosening well drills | 594772 | Center Point | 1897 |
| Heverly | David | game board | 26500 | Center Point | 1897 |
| Altmyer | Nicholas | match safe | 26703 | Coggon | 1897 |
| Shaw | Edwin | flush tank | 583983 | Cedar Rapids | 1897 |
| De La Hunt | Reverdy | flush tank | 583983 | Cedar Rapids | 1897 |
| Graham | Sarah | line wire insulator | 27756 | Marion | 1897 |
| Thomas | Frank | belaying hook | 29041 | Cedar Rapids | 1898 |
| Carmody | John | hasp fastener | 614552 | Cedar Rapids | 1898 |
| Jacobs | Thomas | hasp fastener | 614552 | Cedar Rapids | 1898 |
| Easker | John | automatic faucet | 605540 | Cedar Rapids | 1898 |
| Willix | Enos | fence | 605570 | Mount Vernon | 1898 |
| Christie | Elza | unicycle | 596480 | Marion | 1898 |
| Heverly | Edward | window shelf | 608259 | Center Point | 1898 |
| Baily | John | ice shaver | 596566 | Cedar Rapids | 1898 |
| Olney | Harmon | exhibit protector | 596824 | Cedar Rapids | 1898 |
| Irvin | Daniel | hair pin | 628664 | Cedar Rapids | 1899 |
| Crowner | States | kitchen cabinet | 30504 | Springville | 1899 |
| Willard | Benjamin | kitchen cabinet | 30504 | Springville | 1899 |
| Baily | John | nutmeg grater | 630313 | Cedar Rapids | 1899 |
| Soutter | Henry | pincushion | 31301 | Cedar Rapids | 1899 |
| Sinclair | Sydney | pincushion | 31301 | Cedar Rapids | 1899 |
| Soutter | Henry | pincushion | 31302 | Cedar Rapids | 1899 |
| Sinclair | Sydney | pincushion | 31302 | Cedar Rapids | 1899 |
| Tuttle | Hosmer | bicycle | 631973 | Cedar Rapids | 1899 |
| Tuttle | Hosmer | bicycle | 631974 | Cedar Rapids | 1899 |
| Henderson | George | bicycle holder | 618507 | Cedar Rapids | 1899 |
| Hibbard | Charles | bicycle holder | 618507 | Cedar Rapids | 1899 |
| Greene | William | automatic cut out for electrical transformers | 620302 | Cedar Rapids | 1899 |
| Latimer | Alvah | beer pump attachment | 620463 | Cedar Rapids | 1899 |
| Crenshaw | William | beer pump attachment | 620463 | Cedar Rapids | 1899 |
| Crouner | States | convertible machine | 650635 | Marion | 1900 |
| Bassett | Thomas | ruler | 662388 | Cedar Rapids | 1900 |
| Swan | Eugene | furnace | 651278 | Cedar Rapids | 1900 |
| Poore | Charles | shoe polishing device | 641795 | Cedar Rapids | 1900 |
| Fishell | Peter | carriage wheel oiler | 641850 | Marion | 1900 |
| Booth | Albert | elevator gate | 663953 | Cedar Rapids | 1900 |
| Dutton | William | elevator gate | 663953 | Cedar Rapids | 1900 |
| Hawkins | Fannie | carpet clamp | 643648 | Cedar Rapids | 1900 |
| Wilkin | James | firearm | 654336 | Cedar Rapids | 1900 |
| Carmody | John | machine for making egg case fillers | 644762 | Cedar Rapids | 1900 |
| Pease | John | fastener for storm windows | 645489 | Cedar Rapids | 1900 |
| Sanford | Charles | table | 657033 | Cedar Rapids | 1900 |
| Thomas | Frank | wardrobe hook | 32437 | Cedar Rapids | 1900 |
| Loy | William | stove | 646853 | Cedar Rapids | 1900 |
| Charles | Frank | sanding device | 673316 | Cedar Rapids | 1901 |
| Robinson | William | pipe attachment for wrenches | 685871 | Marion | 1901 |
| Bulkeley | Benjamin | car | 687116 | Marion | 1901 |
| Ebi | Edward | mouth illuminator | 687617 | Cedar Rapids | 1901 |
| Walradt | Harvey | door hanger | 675762 | Cedar Rapids | 1901 |
| Grubbs | Albert | sad iron | 665002 | Cedar Rapids | 1901 |
| White | Antrim | tool handle | 665153 | Springville | 1901 |
| Pease | John | hinge for storm windows | 665752 | Cedar Rapids | 1901 |
| Alexander | John | hat and umbrella rack | 665846 | Cedar Rapids | 1901 |
| Smith | George | type writing machine | 677746 | Cedar Rapids | 1901 |
| Nielsen | Marinus | tug | 666774 | Cedar Rapids | 1901 |
| Carmody | John | hand punch | 669231 | Cedar Rapids | 1901 |
| Kinsley | Jason | tooth crown burnisher | 713453 | Lisbon | 1902 |
| Smith | George | type bar mechanism for type writers | 713703 | Cedar Rapids | 1902 |
| Conn | Andrew | harness supporting and display rack | 713751 | Cedar Rapids | 1902 |
| Smith | Horace | adding device | 700448 | Cedar Rapids | 1902 |
| Powers | William | harrow | 702475 | Central City | 1902 |
| Buchtela | Wesley | check row corn planter | 703532 | Marion | 1902 |
| Whittemore | Charles | monkey wrench | 705799 | Mount Vernon | 1902 |
| Whittemore | Mary | tape needle | 705800 | Mount Vernon | 1902 |
| Moore | Joseph | truck | 728957 | Cedar Rapids | 1903 |
| Tomlinson | Joseph | bridge construction | 729016 | Cedar Rapids | 1903 |
| Finn | William | dental flask press | 731030 | Cedar Rapids | 1903 |
| Novak | Charles | saw frame stretcher | 732315 | Cedar Rapids | 1903 |
| Tomlinson | Joseph | bridge construction | 747511 | Cedar Rapids | 1903 |
| Easker | John | pail ear | 733470 | Cedar Rapids | 1903 |
| Fishell | Peter | oiler for vehicle hubs | 718443 | Marion | 1903 |
| Tokheim | John | measuring pump | 720638 | Cedar Rapids | 1903 |
| Gould | Olin | tire tightener | 721033 | Marion | 1903 |
| Locke | Henry | stall | 721578 | Marion | 1903 |
| Whaple | George | sample sheet rotary display stand | 768644 | Cedar Rapids | 1904 |
| Tokheim | John | faucet attachment | 757072 | Cedar Rapids | 1904 |
| Crowner | James | stove or furnace | 758051 | Marion | 1904 |
| Crowner | James | stove or furnace | 758051 | Marion | 1904 |
| Rundall | John | straw stacker | 770390 | Marion Township, Linn County | 1904 |
| Kramer | Judson | ledger | 758976 | Marion | 1904 |
| Platner | Earl | nail holding attachment for hammers | 759012 | Mount Vernon | 1904 |
| Rich | Lester | pump cap | 771666 | Cedar Rapids | 1904 |
| Chapman | John | filler for cob pipes | 748582 | Cedar Rapids | 1904 |
| Glenn | William | voting machine | 772142 | Mount Vernon | 1904 |
| Ward | Ambrose | button | 748673 | Central City | 1904 |
| Denning | Joseph | wire fence machine | 772405 | Cedar Rapids | 1904 |
| Peterson | Peter | blackboard eraser cleaner | 772822 | Cedar Rapids | 1904 |
| Tokheim | John | non-siphoning liquid trap | 749503 | Cedar Rapids | 1904 |
| Altmyer | John | metallic fence post | 774371 | Springville | 1904 |
| Hughes | James | elevated railway switch | 775300 | Mount Vernon | 1904 |
| Burton | Manous | coat and hat hanger | 763461 | Cedar Rapids | 1904 |
| Casteel | Lossie | grain door for cars | 802973 | Marion | 1905 |
| King | William | sand drier | 804607 | Cedar Rapids | 1905 |
| Norris | Ernest | blast charger | 805089 | Cedar Rapids | 1905 |
| Augustine | Charles | adjustable back for stools | 805516 | Cedar Rapids | 1905 |
| Stoneking | John | combined ironing board and step ladder | 784190 | Bertram | 1905 |
| Hann | Frank | tweezers | 796510 | Mount Vernon | 1905 |
| Curtis | Nimrod | mail bag delivery apparatus | 785156 | Lisbon | 1905 |
| Tuttle | Hosmer | fluid power transmitter | 806759 | Cedar Rapids | 1905 |
| Hill | Adelbert | coat and hat hanger | 785305 | Cedar Rapids | 1905 |
| Brookman | John | target trap | 806773 | Central City | 1905 |
| Glenn | William | coat and hat hanger | 785305 | Mount Vernon | 1905 |
| Tomlinson | Joseph | cantaliver suspension bridge | 785686 | Cedar Rapids | 1905 |
| Glenn | William | voting machine | 787373 | Mount Vernon | 1905 |
| Ewins | George | railway rail holder | 786277 | Cedar Rapids | 1905 |
| Conn | Andrew | neck yoke center | 807810 | Cedar Rapids | 1905 |
| Anthony | Charley | churn | 787655 | Ely | 1905 |
| Arbingast | William | hat and coat locker | 786869 | Cedar Rapids | 1905 |
| Coffits | John | gate | 798663 | Cedar Rapids | 1905 |
| McElroy | John | mold for fence posts | 798777 | Cedar Rapids | 1905 |
| Maxwell | Lee | jack for automobiles | 808208 | Cedar Rapids | 1905 |
| Fulkerson | Joseph | mold for fence posts | 798777 | Marion | 1905 |
