| All Patents in class 433/135 |
Patents 1 -
6
of 6
      |
| Number | Date | Patentee | Title | Type |
| 336,695 | Feb. 23, 1886 | J.W. Byers | Flexible Abrasive or Polishing Disk | dental tools |
| 574,763 | Jan. 05, 1897 | F.A. Rudolph | Dental Tool | dental apparatus |
| 1,120,530 | Dec. 08, 1914 | O.H. Pieper | Tool Holder | tool holders |
| 1,121,671 | Dec. 22, 1914 | G.H. Sawyer | Grinding attachment for hand drills | handheld power tool accessories |
| 1,669,994 | May 15, 1928 | H.L. Myers | Base grinding-machine wheel | |
| 1,839,139 | Dec. 29, 1931 | R.H. Brockman | Lathe Tool Holder | lathe tool holders and tool posts |
