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Patents for William H. Ewing
Patents 1 - 2 of 2
Picture	Number	Date	Patentee	Title
	188,787	Mar. 27, 1877	W.H. Ewing	Improvement in machines for setting up barrels
	188,880	Mar. 27, 1877	W.H. Ewing	Improvement in machines for setting up barrels

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