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All Patents in class 74/148
Patents 1 - 8 of 8
First set of recordsLast set of records
300,734Jun. 17, 1884G.H. PrestonDevice for changing speedindustrial machine mechanisms
351,733Nov. 02, 1886H.H. BridenthalRoad Enginesteam traction engines
363,966May 31, 1887J. PriceTraction Enginepropulsion components
380,692Apr. 10, 1888F.E. Norton, L.W. PondMetal Planing Machinemetal planers
425,398Apr. 15, 1890W.S. BeemanIntermittent grip for saw-mill set-works, &c.sawmill set works
542,042Jul. 02, 1895J. CharterClutch Driving Device for Motorsclutches
578,888Mar. 16, 1897A.J. MartinTraction Enginepropulsion components
626,666Jun. 13, 1899J.M. ChappelTraction Enginepropulsion components
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