| All Patents in class 451/496 |
Patents 1 -
10
of 10
      |
| Picture | Number | Date | Patentee | Title |
| | 392,608 | Nov. 13, 1888 | F.C. Hinman | Chuck for Lathes |
 | 399,629 | Mar. 12, 1889 | J.L. Perry | Polishing-cylinder |
| | 540,258 | Jun. 04, 1895 | L.S. Keagle | Dental Polishing Chuck |
 | 1,030,897 | Jul. 02, 1912 | F.L. Lane | Abrading-cylinder |
 | 1,188,808 | Jun. 27, 1916 | H.J. Mitchell | Take-up device for sander-drums |
 | 1,811,037 | Jun. 23, 1931 | F.O. Albertson, G. Olsen | Abrasive disk |
 | 2,120,624 | Jun. 14, 1938 | A.L. Pearson | Sanding wheel head |
| | 2,171,417 | Aug. 29, 1939 | E.M. McGovern, P. Schrick | Crankshaft grinding tool |
| | 2,220,370 | Nov. 05, 1940 | W.P. Hilger, R.E. McFadden, J.E. Swalinkavich, Jr. | Drum for smoothing surfaces |
 | 2,257,061 | Sep. 23, 1941 | F.H. Morris | Sanding wheel head |
