| All Patents in class 451/514 |
Patents 1 -
6
of 6
      |
| Number | Date | Patentee | Title | Type |
| 258,760 | May 30, 1882 | C.V. Hunt | Grinding or Polishing Wheel | grinder wheels |
| 414,115 | Oct. 29, 1889 | J.S. Kenyon | Sandpapering-roller | sanding machines |
| 2,395,537 | Feb. 26, 1946 | S.A. Crosby | Rubbing machine | handheld power sanders |
| 2,764,852 | Oct. 02, 1956 | A.N. Emmons | Portable power operating sanding machine | handheld power sanders |
| 3,540,161 | Nov. 17, 1970 | N.T. Anton, L.H. Daughetee | Vibratory tool | reciprocating or vibrating electric motors |
| 6,739,961 | May 25, 2004 | D.E. Haney | Abrasive band tightening apparatus | sanding machines |
