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| All Patents in class 192/45.017 | |||||
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| Number | Date | Patentee | Title | Type | |
| 76,328 | Apr. 07, 1868 | W.H. Birch, J.B. Johnson | Improvement in friction-clutch | hoists, winches, come-alongs | |
| 1,560,776 | Nov. 10, 1925 | B.S. Bishop, A.J. Gifford | Clutch for power feed | drilling and boring | |