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| Patents for Martin Williams | |||||
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| Picture | Number | Date | Patentee | Title | |
| 199,769 | Jan. 29, 1878 | M. Williams | Horse-Power Chain | ||
| 219,051 | Aug. 26, 1879 | M. Williams | Thrashing Machine | ||
| 225,450 | Mar. 09, 1880 | M. Williams | Grain Thrasher and Separator | ||
| 317,906 | May 12, 1885 | M. Williams | Bag Holder | ||
| 424,696 | Apr. 01, 1890 | M. Williams | Fan Blower | ||