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| Patents for Fred. Curtis | |||||
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| Number | Date | Patentee | Title | Type | |
| RE3,350 | Mar. 30, 1869 | A.G. Coes | Improvement in Wrenches | nut wrenches | |
| 100,602 | Mar. 08, 1870 | A.G. Coes | Wrench | wrench handle components | |
| 106,868 | Aug. 30, 1870 | R. Phillips | Carpenter's Combination Plane | combination planes | |
| 108,837 | Nov. 01, 1870 | W.B. Shedd | Improvement in Countersinks | countersinks | |