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Patents for Melvin M. Hann
Patents 1 - 3 of 3
First set of recordsLast set of records
NumberDatePatenteeTitleType
2,731,569Jan. 17, 1956J.S. Cardillo, M.M. Hann, F.G. Lundgard, S.J. LHydraulic transmission and control
2,769,393Nov. 06, 1956J.S. Cardillo, M.M. HannHydraulic pump and control
2,896,546Jul. 28, 1959M.M. Hann, B.H. LundgrenPorting arrangement for hydraulic pumps and motors
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