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| All Patents in class 476/49 | |||||
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| Number | Date | Patentee | Title | Type | |
| 1,015,031 | Jan. 16, 1912 | A.B. Landis | Change-speed gearing | industrial machine gearing | |
| 1,017,877 | Feb. 20, 1912 | A.B. Landis | Change-speed gearing | industrial machine gearing | |
| 1,176,180 | Mar. 21, 1916 | J.J. Thacher | Grinding-Machine | ||