| All Patents in class 451/385 |
Patents 1 -
15
of 22
      |
| Number | Date | Patentee | Title | Type |
| 36,548 | Sep. 23, 1862 | P. Pryibil | Improved machine for cutting crystals | |
| 251,141 | Dec. 20, 1881 | F.M. Simmons | Machine for grinding pulleys | grinders |
| 300,032 | Jun. 10, 1884 | C. Thomas | Chuck for Watchmakers | watchmakers lathes |
| 342,895 | Jun. 01, 1886 | W. Beers | Attachment for Lathes for Turning Crank Axles | metal lathe accessories and attachments |
| 379,307 | Mar. 13, 1888 | R.B. Codling | Lathe | wood lathes |
| 626,436 | Jun. 06, 1899 | E. Mills | Grinding Machine | tool grinders |
| 634,787 | Oct. 10, 1899 | C.M. Willis | Attachment for Watch Lathes | metal lathe accessories and attachments |
| 728,458 | May 19, 1903 | B.M. Hanson | Fluid Pressure Operated Chuck | metal lathe chucks |
| 1,252,928 | Jan. 08, 1918 | F. Müller | Lathe | metal lathes |
| 1,262,529 | Apr. 09, 1918 | C.A. Lowe | Grinding Mill | |
| 1,289,924 | Dec. 31, 1918 | A.J. Sanford | Knob Grinding Machine | |
| 1,469,360 | Oct. 02, 1923 | J.K. Cullen | Clamp and grip chuck | car wheel lathes |
| 1,477,426 | Dec. 11, 1923 | G.A. Carlson | Polishing machine | polishing and buffing machinery |
| 1,671,711 | May 29, 1928 | C.M. Gearing | Work Supporting and Centering Device | |
| 1,689,176 | Oct. 23, 1928 | H.K. Spencer | Grinding Machine | surface grinders |
