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| All Patents in class 254/20 | |||||
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| Number | Date | Patentee | Title | Type | |
| 9,877X | Jul. 02, 1836 | R. Haynes | Nail extractor | nail extractors | |
| 37,332 | Jan. 06, 1863 | J.C. Chapman | Improvement in machines for drawing bolts and spikes | nail extractors | |