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| Patents for James M. Carpenter | |||||
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| Picture | Number | Date | Patentee | Title | |
| 113,740 | Apr. 18, 1871 | J.M. Carpenter | Improved Machine for Cutting Screws | ||
| 125,269 | Apr. 02, 1872 | J.M. Carpenter | Improvement in Machines for Threading Wood Screws | ||
 | 391,510 | Oct. 23, 1888 | J.M. Carpenter | Screw Cutting Die | |
| 1,160,042 | Nov. 09, 1915 | J.M. Carpenter | Tool Holder | ||