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| All Patents in class 403/305 | |||||
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| Number | Date | Patentee | Title | Type | |
| 590,695 | Sep. 28, 1897 | J.S. Alcorn | Bicycle Crank Shaft | bicycles and tricycles | |
| 777,215 | Dec. 13, 1904 | C.R. Meston | Shaft-coupling | industrial machine shaft couplings | |