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| Patents for George P. Woelfel | |||||
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| Number | Date | Patentee | Title | Type | |
| 497,260 | May 09, 1893 | G.P. Woelfel | Pipe Wrench | self-adjust wrenches | |
| RE11,459 | Dec. 18, 1894 | G.P. Woelfel | Pipe Wrench | pipe wrenches | |
| 538,994 | May 07, 1895 | G.P. Woelfel | Pipe Wrench | pipe tongs | |