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All Patents in class 251/264
Patents 1 - 5 of 5
Picture	Number	Date	Patentee	Title
	164,867	Jun. 22, 1875	J. Norton	Combined Wrench and Oiler
	1,569,674	Jan. 12, 1926	R.J. Pigott	Valve
	2,348,412	May 09, 1944	E.M. Pfauser	Pump Assemblage
	2,403,427	Jul. 02, 1946	O.H. Ludeman	Valve Mechanism
	2,451,799	Oct. 19, 1948	W.R. Brown	Valve Structure

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