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Patents for John A. Hill
Patents 1 - 3 of 3
Picture	Number	Date	Patentee	Title
	594,399	Nov. 30, 1897	J.A. Hill	Wrench
	666,838	Jan. 29, 1901	H.L. Arnold	Explosive-Engine
	666,839	Jan. 29, 1901	H.L. Arnold	Internal Combustion Engine

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