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All Patents in class 219/647
Patents 1 - 3 of 3
Picture	Number	Date	Patentee	Title
	2,226,446	Dec. 24, 1940	A. Allen, G. Smith	Process for treating thermoplastic products
	2,226,447	Dec. 24, 1940	A. Allen, G. Smith	Magnetic heater
	2,462,072	Feb. 22, 1949	F.N. Darmara	Process of Inductively Heating Pliers

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