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All Patents in class 200/196
Patents 1 - 4 of 4
Number	Date	Patentee	Title	Type
609,245	Aug. 16, 1898	N. Tesla	Electrical-Circuit Controller
609,247	Aug. 16, 1898	N. Tesla	Electric-Circuit Controller
611,719	Oct. 04, 1898	N. Tesla	Electrical-circuit controller
613,735	Nov. 08, 1898	N. Tesla	Electric-Circuit Controller

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