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All Patents in class 91/476
Patents 1 - 4 of 4
First set of recordsLast set of records
NumberDatePatenteeTitleType
364,225Jun. 07, 1887H.E. DoggettSteam Motorsteam engines
2,420,984May 20, 1947R.H. ShepardHydraulic Pumphydraulic pumps
2,474,661Jun. 28, 1949R.H. Shepard, B.E. FolkeLubricating Devicegas turbine lubricators
2,555,479Jun. 05, 1951C.F. EriksonVariable Discharge Pump and Control Thereforreciprocating pumps
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