Patents by Inventor Thomas O. Sistrunk

Thomas O. Sistrunk 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).

  • Flame resistant cotton/polyester blend substrates
    Patent number: 4167603
    Abstract: A flame resistant substrate composed of cotton and flame retardant polyester fibers having a flame retardant affixed thereto and a method for increasing the flame resistance of a substrate composed of cotton and polyester fibers.
    Type: Grant
    Filed: September 5, 1978
    Date of Patent: September 11, 1979
    Assignee: Ethyl Corporation
    Inventor: Thomas O. Sistrunk
  • Flame resistant substrates
    Patent number: 3997699
    Abstract: A flame resistant substrate composed of cotton and flame retardant polyester fibers having a flame retardant affixed thereto and a method for increasing the flame resistance of a substrate composed of cotton and flame retardant polyester fibers.
    Type: Grant
    Filed: April 25, 1975
    Date of Patent: December 14, 1976
    Assignee: Ethyl Corporation
    Inventor: Thomas O. Sistrunk