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| All Patents in class 74/89 | |||||
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| Number | Date | Patentee | Title | Type | |
| 81,450 | Aug. 25, 1868 | A. Wirsching | Improvement in watchmaker drills | watchmaker | |
| 113,344 | Apr. 04, 1871 | W.H. Rand | Drill-stock | watchmaker | |
| 230,746 | Aug. 03, 1880 | G.B. Clark | Hand-Drill | hand drills | |