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| Patents for John C. Perkins | |||||
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| Number | Date | Patentee | Title | Type | |
| 277,034 | May 08, 1883 | W.E. Hill | Steam-engine | sawmill feed works | |
| 330,494 | Nov. 17, 1885 | J.E. Kimble | Steam Engine | steam engines | |
| 330,974 | Nov. 24, 1885 | A.L. Blumenberg, A. Friedmann | Corkscrew | T corkscrews and other straight corkscrews | |