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| All Patents in class 15/183 | |||||
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| Number | Date | Patentee | Title | Type | |
| 490,682 | Jan. 31, 1893 | H. Roemer | Apparatus for Polishing the Caps of Bottles, &c. | polishing and buffing machinery | |
| 674,384 | May 21, 1901 | J.M. Nash | Abrading mechanism | sanding machines | |
| 1,770,935 | Jul. 22, 1930 | E. Lochman | Eraser-cleaning machine | ||
| 2,600,613 | Jun. 17, 1952 | J.C. Shaffer, G.W. Bruner | Abrasive head | sanding machines | |
| 4,369,606 | Jan. 25, 1983 | R.E. Reiman | Abrasive head | ||