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.

  • Morton, W. T. G. (William Thomas Green), 1819-1868.
Date:
1860

Licence: Public Domain Mark

Credit: 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. Source: Wellcome Collection.

Provider: This material has been provided by the National Library of Medicine (U.S.), through the Medical Heritage Library. The original may be consulted at the National Library of Medicine (U.S.)

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