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Patents for Coffin Valve Co.
Patents 1 - 3 of 3
Picture	Number	Date	Patentee	Title
	236,780	Jan. 18, 1881	Z.E. Coffin	Stop-valve
	243,691	Jul. 05, 1881	Z.E. Coffin	Hydrant-valve
	330,377	Nov. 17, 1885	Z.E. Coffin	Hydrant

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