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All Patents in class 307/101
Patents 1 - 5 of 5
Picture	Number	Date	Patentee	Title
	649,972	May 22, 1900	T.S. Watson	Electric-motor-controlling device
	723,840	Mar. 31, 1903	A.L. De Leeuw	Controlling Switch System
	900,555	Oct. 06, 1908	B.G. Lamme	Controlling System for Electric Motors
	1,367,298	Feb. 01, 1921	J. Burke	Alternating-current motor and generator
	2,682,631	Jun. 29, 1954	O. Lindfors	Single Phase Motor Control

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