All Patents in class 237/78R


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All Patents in class 237/78R
Patents 1 - 3 of 3
Picture	Number	Date	Patentee	Title
	1,095,156	Apr. 28, 1914	W.H. Carrier	Apparatus for controlling the humidity and temperature of air
	1,949,993	Mar. 06, 1934	J.Y. Dahlstrand	Unit Heater
	2,189,003	Feb. 06, 1940	K.A. Harmon	Humidifier