All Patents in class 156/47


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All Patents in class 156/47
Patents 1 - 2 of 2
Number	Date	Patentee	Title	Type
655,838	Aug. 14, 1900	N. Tesla	Method of insulating electrical conductors
RE11,865	Oct. 23, 1900	N. Tesla	Method of Insulating Electric Conductors	wire insulating machines