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Patents for Benjamin F. Edsall | |||||
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Picture | Number | Date | Patentee | Title | |
![]() | 272,526 | Feb. 20, 1883 | J.W. Calef | Pipe Cutter and Tongs | |
![]() | 273,461 | Mar. 06, 1883 | J.W. Calef | Improved Self-Adjusting Wrench |