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| All Patents in class 475/286 | |||||
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| Number | Date | Patentee | Title | Type | |
| 594,195 | Nov. 23, 1897 | A.G. Cooke | Variable and Reversing Speed Gear | industrial machine speed and direction changing mechanisms | |
| 833,255 | Oct. 16, 1906 | C.F. Smith | Reversing mechanism | industrial machine pulleys and belt drive mechanisms | |
| 2,780,944 | Feb. 12, 1957 | E.J. Ondeck | Reversible drive for power tools | handheld power tool accessories | |
| 2,839,952 | Jun. 24, 1958 | E.J. Ondeck | Reversible Power Tool Drive Attachment | handheld power tool accessories | |