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| All Patents in class 74/458 | |||||
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| Number | Date | Patentee | Title | Type | |
| 534,164 | Feb. 12, 1895 | M.F. Larsh | Hand Screw-Clamp | hand screws | |
| 597,154 | Jan. 11, 1898 | J.M. Rauhoff | Worm and worm-gear | ||
| 921,593 | May 11, 1909 | A.T. Collier | Apparatus for Cutting Globoig Worms | gear making machines | |
| 1,626,001 | Apr. 26, 1927 | E.J. Kearney | Machine Tool Drive | milling machines | |
| 2,195,911 | Apr. 02, 1940 | W.F. Zimmermann | Selective Worm Gear Table Drive | gear hobbing machines | |
| 2,195,912 | Apr. 02, 1940 | W.F. Zimmermann | Worm Gearing | gear hobbing machines | |