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All Patents in class 60/378
Patents 1 - 9 of 9
First set of recordsLast set of records
NumberDatePatenteeTitleType
1,851,622Mar. 29, 1932W. ErnstValve Mechanism for Hydraulic Presses hydraulic presses
1,870,500Aug. 09, 1932H.F. MacMillin, W. ErnstHydraulic Press hydraulic presses
1,884,060Oct. 25, 1932H.F. MacMillinHydraulic Press hydraulic presses
1,895,710Jan. 31, 1933H.F. MacMillin, W. ErnstHydraulic Press hydraulic presses
1,938,772Dec. 12, 1933H.R. Isler, H. ErnstHydraulic Drive for Milling Machineshydraulic apparatus
1,940,668Dec. 26, 1933W. ErnstHydraulic Press Surge Control hydraulic presses
1,956,758May 01, 1934W. ErnstHydraulic Press Operating Circuits hydraulic presses
2,005,732Jun. 25, 1935B. Sassen, H. ErnstBalanced Pressure Hydraulic Circuithydraulic apparatus
2,395,946Mar. 05, 1946G.A. WahlmarkMechanism for actuating machine tool supports
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