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| Patents for Philetus W. Gates | |||||
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| Number | Date | Patentee | Title | Type | |
| 5,103 | May 08, 1847 | P.W. Gates | Screw Cutting Die | taps and dies | |
| 315,271 | Apr. 07, 1885 | P.W. Gates | Combines Boring Bar and Centering Mandrel | boring bars | |
| 691,135 | Jan. 14, 1902 | E.E. Hanna | Ore-crusher | ore processing apparatus | |
| 705,749 | Jul. 29, 1902 | A.J. Gates | Cornish roll | ore processing apparatus | |