Patents by Inventor Thomas W. Gougeon

Thomas W. Gougeon has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Vaginal contraceptive
    Patent number: 4304226
    Abstract: Improved reinforced devices, which can be retained in the vagina during intercourse, deliver spermicidal surfactants and provide contraceptive benefits. Lobed devices provide channels through which menses and other biological fluids can pass. Multi-compartment devices provide added protection against leakage, rupture or perforation during manufacture, handling and use.
    Type: Grant
    Filed: March 3, 1980
    Date of Patent: December 8, 1981
    Assignee: The Procter & Gamble Company
    Inventors: James L. Drobish, Thomas W. Gougeon
  • Vaginal contraceptive
    Patent number: 4219016
    Abstract: Improved devices which can be retained in the vagina during intercourse deliver spermicidal surfactants and provide contraceptive benefits.
    Type: Grant
    Filed: December 7, 1978
    Date of Patent: August 26, 1980
    Assignee: The Procter & Gamble Company
    Inventors: James L. Drobish, Thomas W. Gougeon
  • Vaginal contraceptive
    Patent number: 4198976
    Abstract: Improved reinforced devices which can be retained in the vagina during intercourse, deliver spermicidal surfactants and provide contraceptive benefits.
    Type: Grant
    Filed: October 11, 1977
    Date of Patent: April 22, 1980
    Assignee: The Procter & Gamble Company
    Inventors: James L. Drobish, Thomas W. Gougeon