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All Patents in class 285/148.7
Patents 1 - 3 of 3
Picture	Number	Date	Patentee	Title
	49,142	Aug. 01, 1865	J. Old	Pipe Coupling
	RE7,673	May 08, 1877	J. Old	Pipe-Coupling
	487,829	Dec. 13, 1892	W.R. England	Pipe-Coupling

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