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| Patents for Nathan T. Churchill | |||||
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| Number | Date | Patentee | Title | Type | |
| 38,914 | Jun. 16, 1863 | J.J. Richardson | Improved Ratchet-Wrench | ratchet wrenches | |
| 81,048 | Aug. 11, 1868 | A.W. Whitney | Tinsmith's Stake | tinsmith | |