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| Patents for Fred. S. Greenleaf | |||||
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| Number | Date | Patentee | Title | Type | |
| 875,702 | Jan. 07, 1908 | A.G. Ely | Wrench | wrench jaw components | |
| 1,012,036 | Dec. 19, 1911 | J.H. Vinton | Nut Guard | wrench components | |