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| All Patents in class 192/34 | |||||
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| Number | Date | Patentee | Title | Type | |
| 393,421 | Nov. 27, 1888 | F. Chantrell | Screw Driver | ratcheting screwdrivers | |
| 1,156,863 | Oct. 12, 1915 | D.T. Brownlee | Geared-Up Starter | starters | |
| 3,162,283 | Dec. 22, 1964 | A.G. Troka, H.G. Saul | Dual Purpose Chuck | drill press chucks | |
| 3,454,143 | Jul. 08, 1969 | H.L. Beam, W.A. Berube, G.A. Dobslaw | Power-operated tool | handheld power drills | |