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| All Patents in class 384/286 | |||||
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| Number | Date | Patentee | Title | Type | |
| 99,156 | Jan. 25, 1870 | W.W. Carey, G.W. Harris | Improvement in hangers for shafting | industrial machine shaft hangers | |
| 271,519 | Jan. 30, 1883 | J.M. Riley | Journal Box for Grinding and Polishing Lathes | grinding machines | |
| 819,820 | May 08, 1906 | E.M. Tingley | Ventilating Means for Inclosed Machines | ||
| 1,259,959 | Mar. 19, 1918 | F.B. Cockburn | Head Stock for Engine Lathes | engine lathes | |
| 1,812,444 | Jun. 30, 1931 | A. Brown, M.I. Mathewson | Grinding Machine | ||