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| Patents for Frank Prescott | |||||
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| Number | Date | Patentee | Title | Type | |
| 100,642 | Mar. 08, 1870 | G.D. Lambert | Improvement in clamps | clamps | |
| 114,096 | Apr. 25, 1871 | E.A. Bell | Improvement in Adjustable Bevels | bevels | |