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| Patents for Orin O. Witherell | |||||
| Picture | Number | Date | Patentee | Title | |
![]() | 16,158 | Dec. 02, 1856 | O.O. Witherell | Improvement in Wrenches | |
![]() | 111,167 | Jan. 24, 1871 | O.O. Witherell, A. Bauman | Improvement in hollow augers | |