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All Patents of Type: hydraulic pumps
Patents 1 - 3 of 3
First set of recordsLast set of records
NumberDatePatenteeTitleType
2,138,194Nov. 29, 1938E.M. PfauserHydraulic Pumphydraulic pumps
2,255,984Sep. 16, 1941E.M. PfauserHydraulic Pump Systemhydraulic pumps
2,299,492Oct. 20, 1942E.M. PfauserPump Assemblyhydraulic pumps
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