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All Patents in class 192/70.23 | |||||
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Picture | Number | Date | Patentee | Title | |
266,149 | Oct. 17, 1882 | A. Hendey | Hoisting Machine | ||
![]() | 463,812 | Nov. 24, 1891 | A. Lesperance | Clutch | |
1,272,081 | Jul. 09, 1918 | H.R. Nutting, A.B. Nutting | Clutch | ||
![]() | 1,490,859 | Apr. 15, 1924 | F.H. Sleeper | Friction clutch | |
![]() | 1,753,085 | Apr. 01, 1930 | J.L. Peterson | Clutch |