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| Patents for Edwin Henwood | |||||
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| Number | Date | Patentee | Title | Type | |
| 265,188 | Sep. 26, 1882 | H. Tregallas | Wrench | pipe and nut combination wrenches | |
| 603,530 | May 03, 1898 | E. Henwood | Wrench | quick adjust wrenches | |