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| Patents for Alexander C. Proudfit | |||||
| Number | Date | Patentee | Title | Type | |
| 638,956 | Dec. 12, 1899 | J.H. Coes | Wrench | wrench handle components | |
| 638,957 | Dec. 12, 1899 | J.H. Coes | Wrench | wrench handle components | |