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| All Patents in class 59/41 | |||||
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| Picture | Number | Date | Patentee | Title | |
| 1,458 | Dec. 31, 1839 | T.J. Butler | Mode of Cutting Seats, Slots, or Grooves for the Reception of Keys in the Hubs and Axles of Car-Wheels and in other Machinery | ||
| 230,180 | Jul. 20, 1880 | J.H. Dorgan | Horseshoe Machine | ||