Patents by Inventor Russell L. Thompson

Russell L. Thompson 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).

  • Patent number: 4240451
    Abstract: A differential hair engaging retainer to be used in combination with a hair roller, and comprised of stretchable means extending lengthwise of the hair roller for retainer hair about said roller and forming multiple spaces between said means and said roller, with or without hair extending therethrough, to permit lotions to pass therethrough in all positions of proximity of said stretchable means to said roller.
    Type: Grant
    Filed: February 26, 1979
    Date of Patent: December 23, 1980
    Assignee: Helen of Troy Corporation
    Inventor: Russell L. Thompson
  • Patent number: 3960156
    Abstract: A hair roller employs a permanent and re-usable plastic sheet or film, one portion of the sheet attached to the roller to wind the remainder of the sheet on to the roller when the latter is turned; also, the remainder of the sheet includes sections sized to receive hair strands to be retained so as to be curled as the sections are wrapped in face to face relation about the roller; and at least one of the plastic sheet sections containing perforations to pass liquid hair treating agent.
    Type: Grant
    Filed: September 9, 1974
    Date of Patent: June 1, 1976
    Inventor: Russell L. Thompson
  • Patent number: D306110
    Type: Grant
    Filed: June 29, 1987
    Date of Patent: February 20, 1990
    Inventors: Alex Thompson, Russell L. Thompson