| All Patents in class 74/458 |
Patents 1 -
7
of 7
      |
| 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 |
| 2,131,151 | Sep. 27, 1938 | H.F. Smith | Grinding machines | surface grinders |
| 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 |
