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| All Patents in class 474/75 | |||||
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| Number | Date | Patentee | Title | Type | |
| 499,159 | Jun. 06, 1893 | F.H. Crafts | Driving Mechanism for Lathes | ||
| 512,410 | Jan. 09, 1894 | J.R. Thomas | Feed mechanism | planers | |
| 622,329 | Apr. 04, 1899 | F.H. Crafts | Speed Changing Driving Mechanism for Lathes | metal lathe accessories | |
| 881,086 | Mar. 03, 1908 | B.D. Stevens | Variable-speed mechanism | power transmission | |
| 955,920 | Apr. 26, 1910 | B.D. Stevens | Variable-speed device | power transmission | |