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| Patents for Warren S. Hill | |||||
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| Number | Date | Patentee | Title | Type | |
| 214,389 | Apr. 15, 1879 | W.S. Hill | Improvement in circular saws | sawblades | |
| 214,390 | Apr. 15, 1879 | W.S. Hill | Improvement in circular saws | sawblades | |
| 317,670 | May 12, 1885 | G.F. Pottle | Self-Gripping Pipe Wrench | pipe wrenches | |