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| All Patents in class 451/354 | |||||
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| Number | Date | Patentee | Title | Type | |
| 617,336 | Jan. 10, 1899 | C.H. Hansen | Tank planer and scraper | scraping machines | |
| 1,523,049 | Jan. 13, 1925 | J.A. Campbell | Surfacing machine | ||
| 1,795,262 | Mar. 03, 1931 | H.L. Myers | Base machine | ||
| 1,800,341 | Apr. 14, 1931 | J.D. Davies | Rotary abrasive machine | handheld power sanders | |
| 1,971,790 | Aug. 28, 1934 | A.W. Mall | Portable power tool | ||