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| All Patents in class 188/82.6 | |||||
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| Number | Date | Patentee | Title | Type | |
| 933,866 | Sep. 14, 1909 | H.E. Frentzel, H. WEickel | Load Brake | hoists, winches, come-alongs | |
| 2,495,463 | Jan. 24, 1950 | R.G. Tourneau | Power winch | hoists, winches, come-alongs | |