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All Patents in class 74/49
Patents 1 - 7 of 7
Picture	Number	Date	Patentee	Title
	72,608	Dec. 24, 1867	C.M. Currey	Improvement in mechanical movement
	637,450	Nov. 21, 1899	J.B. Doolittle	Gasolene Engine
	2,010,378	Aug. 06, 1935	B. Sassen	Hydraulic Power Unit
	2,109,233	Feb. 22, 1938	A.P. Jorgenson	Paint and liquid mixer
	2,424,532	Jul. 22, 1947	C.L. Beard	Eccentric driving connection
	2,532,591	Dec. 05, 1950	J.B. Armitage	Slotting Machine
	4,789,001	Dec. 06, 1988	L.W. Durham, B.S. Backe	Operating System for a Valve

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