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All Patents in class 91/450
Patents 1 - 9 of 9
First set of recordsLast set of records
NumberDatePatenteeTitleType
646,458Apr. 03, 1900H.A. PedrickPneumatic Hoisting Apparatus hoists, winches, come-alongs
675,528Jun. 04, 1901R.A. RutherfordValve Device for Pneumatic Hoists industrial valves
1,613,474Jan. 04, 1927R. MooreBrake engine
2,056,908Oct. 06, 1936L.L. SchauerMultiple hydraulic rotor drive for drill spindlesdrill presses
2,056,909Oct. 06, 1936L.L. SchauerHydraulic motor unitdrill presses
2,056,910Oct. 06, 1936L.L. SchauerHydraulic motor unitmetalworking machine mechanisms
2,166,940Jul. 25, 1939C.M. ConradsonHydraulic Power Systemmachine tool controls
2,216,800Oct. 08, 1940W.G. BaldenhoferHydraulic Control Devicehydraulic apparatus
2,726,581Dec. 13, 1955E.G. RoehmTracer Controlled Safety Deviceprofiling machines
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