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All Patents in class 192/85.47
Patents 1 - 2 of 2
First set of recordsLast set of records
NumberDatePatenteeTitleType
928,679Jul. 20, 1909A.G. MatherVariable-speed mechanismindustrial machine pulleys and belt drive mechanisms
2,538,997Jan. 23, 1951J.N. WeilandFluid clutch with pressure boostermetalworking power transmission
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