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All Patents in class 322/77
Patents 1 - 3 of 3
Picture	Number	Date	Patentee	Title
	714,786	Dec. 02, 1902	M.W. Day	Controlling Electric Motors
	2,885,566	May 05, 1959	R.H. Eisengrein, G.G. Hermanson, C.L. Sadler	Control means
	3,046,468	Jul. 24, 1962	W.H. Woodward, K.A. Robinson	Control systems for Generators

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