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