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All Patents in class 219/235
Patents 1 - 3 of 3
Picture	Number	Date	Patentee	Title
	2,272,931	Feb. 10, 1942	E.D. Boisselier	Wire burning unit
	2,405,866	Aug. 13, 1946	C.E. Weller	Electrical heating apparatus
	RE23,619	Feb. 10, 1953	C.E. Weller	Electrical heating apparatus

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