All Patents in class 137/842


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All Patents in class 137/842
Patents 1 - 2 of 2
Picture	Number	Date	Patentee	Title
	1,329,559	Feb. 03, 1920	N. Tesla	Valvular conduit
	3,516,439	Jun. 23, 1970	J.C. Le Veque, M.R. Hicks	Low Fluid Pressure Actuated Fluid Jet Interrupter Means