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All Patents in class 192/99R | |||||
Number | Date | Patentee | Title | Type | |
162,260 | Apr. 20, 1875 | N.H. Whitten | Improvement in operating paper-calendering rolls | ||
448,777 | Mar. 24, 1891 | G.W. Drake | Friction Clutch | friction clutches | |
617,419 | Jan. 10, 1899 | F.G. Hobart | Friction Clutch | industrial machine clutches | |
834,857 | Oct. 30, 1906 | T.H. Worrall | Clutch | metalworking power transmission | |
1,293,552 | Feb. 04, 1919 | A.M. Sosa, A.E. Robinson | Clutch | metalworking machine clutches |