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Patents for Frank T. Verharen | |||||
Number | Date | Patentee | Title | Type | |
617,998 | Jan. 17, 1899 | F.T. Verharen | Wrench | quick adjust wrenches | |
685,656 | Oct. 29, 1901 | F.T. Verharen | Wrench | pipe and nut combination wrenches |