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All Patents in class 137/94
Patents 1 - 5 of 5
Picture	Number	Date	Patentee	Title
	2,129,499	Sep. 06, 1938	W.S. Landon	Control Device
	2,240,763	May 06, 1941	E.J. Dillman	Control System
	2,389,111	Nov. 13, 1945	E.J. Dillman	Control Means
	2,398,099	Apr. 09, 1946	W.S. Landon	Heating System and Control Means Therefor
	2,493,297	Jan. 03, 1950	W.S. Landon	Orifice Cleaning Means

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