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All Patents in class 251/257
Patents 1 - 4 of 4
Picture	Number	Date	Patentee	Title
	425,480	Apr. 15, 1890	A.W. Meston	Champagne-tap
	944,416	Dec. 28, 1909	A.W. Graham, F.N. Connet	Valve
	2,286,880	Jun. 16, 1942	W.A. Traut	Hydraulic Control System
	2,331,695	Oct. 12, 1943	G.H. Johnson	Transmission and Control Mechanism

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