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