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All Patents in class 607/65
Patents 1 - 3 of 3
Picture	Number	Date	Patentee	Title
	372,441	Nov. 01, 1887	P.G. Williams, W.W. Roovers	Coin operated induction coil
	1,376,080	Apr. 26, 1921	C.W. De Mooy	High-frequency machine
	1,376,081	Apr. 26, 1921	C.W. De Mooy	High-frequency Generator of the Transformer Type

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