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| Patents for Edmund Tarbell | |||||
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| Number | Date | Patentee | Title | Type | |
| 54,069 | Apr. 17, 1866 | D.F. Hartford | Improvement in drill-stocks | spiral drills | |
| 68,071 | Aug. 27, 1867 | D.F. Hartford | Improved Bow-Drill Stock | hand drills | |