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All Patents in class 417/428
Patents 1 - 4 of 4
First set of recordsLast set of records
NumberDatePatenteeTitleType
1,411,025Mar. 28, 1922C.B. Jahnke, F.G. HobartOil Engine Feeding Devicefuel injection apparatus
1,460,875Jul. 03, 1923A. WhiteRotary gear pump
2,185,338Jan. 02, 1940E.C. HasslerFluid handling apparatusrotary pumps
2,255,984Sep. 16, 1941E.M. PfauserHydraulic Pump Systemhydraulic pumps
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