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All Patents in class 337/331
Patents 1 - 3 of 3
Picture	Number	Date	Patentee	Title
	1,926,706	Sep. 12, 1933	E.J. Dillman, L.W. Eggleston	Control Device
	1,994,988	Mar. 19, 1935	L.W. Eggleston	Control Device
	2,088,163	Jul. 27, 1937	E.J. Dillman	Control Device

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