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| Patents for Frank G. Clark | |||||
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| Number | Date | Patentee | Title | Type | |
| 282,768 | Aug. 07, 1883 | J.H. Pollard | Wrench for Holding and Turning Round Bodies | self-adjust wrenches | |
| 397,470 | Feb. 05, 1889 | W. Remsen | Vise | bench vises | |