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Patents for B. G. Underwood
Patents 1 - 5 of 5
Picture	Number	Date	Patentee	Title
	270,769	Jan. 16, 1883	J. England	Cavity-plane
	284,555	Sep. 04, 1883	G.M. Hopkins	Gas Engine
	284,556	Sep. 04, 1883	G.M. Hopkins	Gas Engine
	284,557	Sep. 04, 1883	G.M. Hopkins	Gas Engine
	284,851	Sep. 11, 1883	I.N. Hopkins, G.M. Hopkins	Gas Engine

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