All Patents in class 236/11


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All Patents in class 236/11
Patents 1 - 4 of 4
Picture	Number	Date	Patentee	Title
	2,042,217	May 26, 1936	L.W. Eggleston	Heating System and Control Means Therefor
	2,118,759	May 24, 1938	E.J. Dillman	Heating System and Control Means Therefor
	2,139,615	Dec. 06, 1938	E.J. Dillman	Heating Apparatus and Control Means Therefor
	2,363,696	Nov. 28, 1944	P.s. Russel	Control System