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| Patents for George W. Otis | |||||
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| Number | Date | Patentee | Title | Type | |
| 17,770 | Jul. 07, 1857 | A.J. Smith | Bit or drill holder | brace chucks | |
| 767,311 | Aug. 09, 1904 | R.W. Huettl, G.W. Otis | Wrench | screw adjust wrenches | |