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Before the Commissioner of Patents, in the matter of extension of letters patent of the United States, granted to William T.G. Morton, on the 12th day of November, 1946, for "An improvement in surgical operations": statement and account, pursuant to section eighteen of the Act of Congress, passed July 4, 1836
Before the Commissioner of Patents, in the matter of extension of letters patent of the United States, granted to William T.G. Morton, on the 12th day of November, 1946, for "An improvement in surgical operations": statement and account, pursuant to section eighteen of the Act of Congress, passed July 4, 1836