All Patents in class 137/842


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All Patents in class 137/842
Patents 1 - 2 of 2
Number	Date	Patentee	Title	Type
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	metalworking machine mechanisms