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| Patents for Herman C. Doman | |||||
| Number | Date | Patentee | Title | Type | |
| 551,531 | Dec. 17, 1895 | H.C. Doman | Machine for setting dowels | dowel insertion machines | |
| 817,051 | Apr. 03, 1906 | H.C. Doman | Carbureter for Explosive Motors or Engines | carburetors | |