| All Patents in class 451/493 | 
| Patents 1 - 
					10
					of 10 
       | 
| Number | Date | Patentee | Title | Type | 
| 123,888 | Feb. 20, 1872 | J.D. Gernez | Improvement in Sand Paper Holders |  | 
| 385,171 | Jun. 26, 1888 | T. Davids | Polishing apparatus for wood, &c. | sanding machines | 
| 413,786 | Oct. 29, 1889 | E. Miller | Sandpapering-Machine | sanding machines | 
| 414,115 | Oct. 29, 1889 | J.S. Kenyon | Sandpapering-roller | sanding machines | 
| 554,758 | Feb. 18, 1896 | F.E. Wolff, C.O. Wigell | Machine for cleaning and sanding moldings | sanding machines | 
| 578,214 | Mar. 02, 1897 | T.E. Keavy | Sandpapering and buffing machine | sanding machines | 
| 803,657 | Nov. 07, 1905 | O. Zschockelt | Collector-Polisher | commutator dressing machines | 
| 1,274,513 | Aug. 06, 1918 | C.F. Camer | Sharpening Appliance |  | 
| 1,286,697 | Dec. 03, 1918 | H.E. Manofsky | Sanding-machine | sanding machines | 
| 4,369,606 | Jan. 25, 1983 | R.E. Reiman | Abrasive head |  |