All Patents in class 251/85


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All Patents in class 251/85
Patents 1 - 3 of 3
Picture	Number	Date	Patentee	Title
	2,183,207	Dec. 12, 1939	D.D. Wile	Valve Structure
	2,198,070	Apr. 23, 1940	D.D. Wile	Pressure Valve
	2,520,386	Aug. 29, 1950	E.J. Dillman	Refrigeration Expansion Valve