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Patents for I. Newton Hopkins
Patents 1 - 4 of 4
Picture	Number	Date	Patentee	Title
	284,851	Sep. 11, 1883	I.N. Hopkins, G.M. Hopkins	Gas Engine
	305,452	Sep. 23, 1884	I.N. Hopkins, G.M. Hopkins	Gas Engine
	306,924	Oct. 21, 1884	I.N. Hopkins	Gas Engine
	379,397	Mar. 13, 1888	I.N. Hopkins	Gas Engine

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