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| Patents for W. C. Lewis | |||||
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| Number | Date | Patentee | Title | Type | |
| 227,980 | May 25, 1880 | H. Kline | Shaft-coupling | industrial machine shaft couplings | |
| 246,074 | Aug. 23, 1881 | A.W. Bush | Jewel Pin Setter | watchmaker | |