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| Patents for D. Pence | |||||
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| Number | Date | Patentee | Title | Type | |
| 469,562 | Feb. 23, 1892 | W.H. Haire | Wrench | quick adjust wrenches | |
| 484,654 | Oct. 18, 1892 | W.E. Daily | Screw-driver | eggbeater drills | |