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| Patents for James Curtis | |||||
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| Number | Date | Patentee | Title | Type | |
| GB-186,502,820 | Nov. 02, 1865 | J. Curtis | Improvements in machinery for mortising, tenoning and boring hard or soft woods, and drilling iron | drill presses | |
| 60,332 | Dec. 11, 1866 | O. Bridgeman | Improvement in planing-machines | wood planers | |