| Patents for Walker A. Dromgold |
Patents 1 -
9
of 9
      |
| Number | Date | Patentee | Title | Type |
| 310,821 | Jan. 13, 1885 | W.A. Dromgold, S.N. Hench | Cultivator spring-hoe | cultivators and tillers |
| 348,208 | Aug. 31, 1886 | W.A. Dromgold, S.N. Hench | Cultivator | cultivators and tillers |
| 402,079 | Apr. 23, 1889 | W.A. Dromgold, S.N. Hench | Spring-tooth harrow | harrows |
| 419,990 | Jan. 21, 1890 | W.A. Dromgold, S.N. Hench | Spring-tooth harrow | harrows |
| 488,906 | Dec. 27, 1892 | J.N. Richey, W.A. Dromgold, S.N. Hench | Sawmill-dog | sawmill dogs |
| 491,447 | Feb. 07, 1893 | W.A. Dromgold, S.N. Hench, E.A. Reese | Mechanism for operating sawmill-carriages | sawmill carriages |
| 491,494 | Feb. 07, 1893 | W.A. Dromgold, S.N. Hench, J.N. Richey | Mechanism for operating sawmill-carriages | sawmill carriages |
| 540,618 | Jun. 04, 1895 | W.A. Dromgold, S.N. Hench | Harrow | harrows |
| 555,699 | Mar. 03, 1896 | W.A. Dromgold, S.N. Hench | Harrow | harrows |
