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| Patents for David Hinman | |||||
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| Number | Date | Patentee | Title | Type | |
| 7,275X | Nov. 02, 1832 | D. Hinman | Machine for making axes, hatchets, chisels, &c. | tool making machines | |
| 7,631X | Jun. 29, 1833 | D. Hinman | Machine for forging axes | tool making machines | |
| RX-83 | Aug. 08, 1846 | J.L. Mott | Improvement in stoves | stoves | |