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| Patents for Frank W. Whitcher | |||||
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| Number | Date | Patentee | Title | Type | |
| 372,246 | Oct. 25, 1887 | F.W. Whitcher | Lasting Pinchers | leatherworker | |
| 442,844 | Dec. 16, 1890 | F.W. Whitcher | Lasting-Pinchers | pliers | |
| 455,892 | Jul. 14, 1891 | F.W. Whitcher | Lasting Pinchers | pliers | |