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| Patents for Otis Dean | |||||
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| Number | Date | Patentee | Title | Type | |
| 72,463 | Dec. 24, 1867 | O. Dean | Improvement in Screwdrivers | screwdrivers | |
| 91,309 | Jun. 15, 1869 | O. Dean | Improved vise and drill combined | bench vises | |
| 95,663 | Oct. 12, 1869 | O. Dean | Improved Vise | bench vises | |
| 109,594 | Nov. 29, 1870 | O. Dean | Improvement in Combined Vises and Drills | bench vises | |