All Patents in class 313/149


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All Patents in class 313/149
Patents 1 - 3 of 3
Picture	Number	Date	Patentee	Title
	514,168	Feb. 06, 1894	N. Tesla	Means for generating electric currents
	568,180	Sep. 22, 1896	N. Tesla	Apparatus for producing electrical currents of high frequency
	1,917,531	Jul. 11, 1933	J.F. Lincoln	Electric Arc Welding Apparatus