All Patents in class 192/3.57


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All Patents in class 192/3.57
Patents 1 - 4 of 4
Number	Date	Patentee	Title	Type
2,313,438	Mar. 09, 1943	W.G. Hoelscher	Fluid Operated Gear Shifting Mechanism	metalworking speed changing mechanisms
2,349,595	May 23, 1944	M.E. Martellotti	Machine Tool Control Mechanism	metalworking power transmission
2,519,794	Aug. 22, 1950	H.C. Kemper, H.J. Siekmann	Hydraulic Gear Shifting Mechanism	metalworking machine mechanisms
3,386,543	Jun. 04, 1968	J.G. Osburn	Machine Tool Transmission and Control Mechanism	milling machines