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All Patents in class 417/521
Patents 1 - 8 of 8
First set of recordsLast set of records
NumberDatePatenteeTitleType
7,548XApr. 20, 1833T.P. CodmanPropelling machinery by combining air, animal, and water power
8,351XAug. 09, 1834T.A. ChandlerEngine for elevating and throwing waterwater wheels
FX-9,221Oct. 31, 1835J. RedelspergerPumppumps
805,000Nov. 21, 1905W.E. BlairDriving Mechanism for two Pump-Plungersfuel pumps
1,991,340Feb. 12, 1935A. Von WangenheimPumping Meansoil pumps
2,010,377Aug. 06, 1935B. SassenHydraulic Power Unithydraulic apparatus
2,138,194Nov. 29, 1938E.M. PfauserHydraulic Pumphydraulic pumps
2,368,187Jan. 30, 1945L.E. WilliamsPump
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