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| Patents for William Sellers & Co. | |||||
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| Number | Date | Patentee | Title | Type | |
| 508,268 | Nov. 07, 1893 | J.S. Bancroft | Machine for Sharpening Drills | drill grinders | |
| 724,514 | Apr. 07, 1903 | W. Sellers | Machine Tool | vertical boring mills | |
| 981,724 | Jan. 17, 1911 | L.H. Vold | Automatic Chuck for Boring and Turning Mills | vertical boring mills | |
| 2,047,052 | Jul. 07, 1936 | G.H. Benzon, Jr. | Planer and Similar Machine | metal planers | |
| 2,252,655 | Aug. 12, 1941 | R.P. Stocking, H.R. Young | Rotatable Tool Holder | metal planer tool holders | |