All Patents in class 315/326


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All Patents in class 315/326
Patents 1 - 3 of 3
Picture	Number	Date	Patentee	Title
	9,846	Jul. 12, 1853	E.B. Wells	Adjusting dishing-saws
	447,920	Mar. 10, 1891	N. Tesla	Method of operating arc lamps
	455,069	Jun. 30, 1891	N. Tesla	Electric incandescent lamp