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| Patents for Quincy Corwin | |||||
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| Number | Date | Patentee | Title | Type | |
| 203,511 | May 07, 1878 | J.H. Vaile | Improvement in pumping-engines | steam pumping engines | |
| 265,679 | Oct. 10, 1882 | W. Krutzsch | Band-compressing machine | wheelwright | |