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| Patents for Wm. J. Doyle | |||||
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| Number | Date | Patentee | Title | Type | |
| 523,356 | Jul. 24, 1894 | S. Kreisher | Pipe Wrench | chain and strap wrenches | |
| 526,420 | Sep. 25, 1894 | G.W. Thomas | Combined Pipe and Nut Wrench | wrench combination tools | |