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| Patents for Alva M. Colt | |||||
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| Number | Date | Patentee | Title | Type | |
| 226,836 | Apr. 27, 1880 | A.M. Colt | Bolt-Holder | clamps | |
| 237,431 | Feb. 08, 1881 | A.M. Colt | Clamp for Wood Working | hand screws | |
| 302,106 | Jul. 15, 1884 | A.M. Colt | Clamp | clamps | |
| 792,758 | Jun. 20, 1905 | A.M. Colt | Quick Acting Clamp | clamps | |
| D41,287 | Apr. 04, 1911 | A.M. Colt | C-Clamp Body | clamps | |