All Patents in class 236/47


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All Patents in class 236/47
Patents 1 - 2 of 2
Picture	Number	Date	Patentee	Title
	1,946,842	Feb. 13, 1934	E.J. Dillman	Temperature Control System
	2,301,383	Nov. 10, 1942	E.J. Dillman	Heating System and Control Means Therefor