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All Patents in class 418/47
Patents 1 - 4 of 4
First set of recordsLast set of records
NumberDatePatenteeTitleType
2,037,402Apr. 14, 1936J.L. TaylorBlowersuperchargers
2,377,299May 29, 1945A. Von WangenheimRotary Pumprotary pumps
2,497,247Feb. 14, 1950A. Von WangenheimPump and Pressure Regulating Unitvane pumps
2,774,309Dec. 18, 1956O.W. Scheflow, L.T. StoykePump
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