| All Patents in class 451/260 |
Patents 1 -
6
of 6
      |
| Number | Date | Patentee | Title | Type |
| 27,953 | Apr. 17, 1860 | G. Munger | Machine for Polishing Wood | polishing and buffing machinery |
| 228,574 | Jun. 08, 1880 | C. Vogel | Grinding-machine for file-blanks | tool making machines |
| 384,788 | Jun. 19, 1888 | D.M. Roberts | Machine for shaping and sanding door panels | sanding machines |
| 2,056,182 | Oct. 06, 1936 | F.E. Gardner | Grinding machine | disk sanders |
| 2,741,880 | Apr. 17, 1956 | J.J. Falls | Grinder or the like | tool grinders |
| 2,741,881 | Apr. 17, 1956 | J.J. Falls | Grinder or the like | tool grinders |
