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All Patents in class 251/256
Patents 1 - 4 of 4
Picture	Number	Date	Patentee	Title
	17,604	Jun. 16, 1857	D.N. Coffin, Jr.	Faucet
	2,079,348	May 04, 1937	A.G. Hann	Valve
	2,301,041	Nov. 03, 1942	A.G. Hann	Valve Adjusting Means
	2,358,040	Sep. 12, 1944	C.M. Williams	Metering Valve

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