All Patents in class 140/71C


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All Patents in class 140/71C
Patents 1 - 2 of 2
Picture	Number	Date	Patentee	Title
	372,423	Nov. 01, 1887	F. Mallet-Guy	Machine for the Manufacture of Wire Spirals
	458,115	Aug. 18, 1891	E. Thomson	Method of Electric Bending and Straightening