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| Patents for Harry V. Holman | |||||
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| Number | Title | Classification(s) | |||
| 1,403,958 | Hand-Screw Clamp | 269/220, 269/242, 269/285 | |||
| 1,783,713 | Adjustable clamp | 269/147, 269/168, 269/207 | |||
| 2,221,325 | Adjustable clamping device | 269/167, 269/245 | |||
| 2,815,778 | Straight beam adjustable jaw clamp | 269/170, 269/246 | |||