All Patents in class 236/70


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All Patents in class 236/70
Patents 1 - 2 of 2
Picture	Number	Date	Patentee	Title
	1,690,517	Nov. 06, 1928	C.J. Brown, C.H. Wilson	Electrical controller and recorder
	2,006,306	Jun. 25, 1935	D.D. Wile	Apparatus and Method for Temperature Regulation