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| All Patents in class 409/315 | |||||
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| Number | Date | Patentee | Title | Type | |
| 9,996 | Sep. 06, 1853 | W.W. Spafford | Machinery for Planing Metals | metal planers | |
| 11,463 | Aug. 01, 1854 | D.F. Mellen | Machine for Planing Metals | metal planers | |
| 373,586 | Nov. 22, 1887 | C.F. Geyer | Device for Planung Curved Surfaces | metal planer accessories | |
| 475,939 | May 31, 1892 | H. Haberlin | Machine for planing circular guides for engine-beds | ||
| 791,225 | May 30, 1905 | J.C. Steen | Shaping Machine | metal shapers | |