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| All Patents in class 451/467 | |||||
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| Picture | Number | Date | Patentee | Title | |
 | 564,587 | Jul. 28, 1896 | W. Black | Sandpapering-machine | |
 | 674,384 | May 21, 1901 | J.M. Nash | Abrading mechanism | |
 | 2,194,577 | Mar. 26, 1940 | A. Vonnegut | Sander | |
 | 2,430,099 | Nov. 04, 1947 | E.H. Bradley | Abrasive head | |
 | 2,474,063 | Jun. 21, 1949 | H.S. Newton | Brush sander head | |
 | 2,600,613 | Jun. 17, 1952 | J.C. Shaffer, G.W. Bruner | Abrasive head | |
 | 2,601,499 | Jun. 24, 1952 | G.W. Bruner | Abrasive head | |
 | 4,369,606 | Jan. 25, 1983 | R.E. Reiman | Abrasive head | |