Official gazette of the United States Patent Office

Official gazette of the United States Patent Office
United States. Patent Office

2,650,613 GRADUATED UNIVERSAL, VALVE FOR GAS APPLIANCES WITH SLITTED SLEEVE Isaac Vernon Brumbaugh, Clayton, Mo. Application May 15, 1948, Serial No. 27,167 10 Claims. (CI. 137—637.4) 1. A valve comprising a ...

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