Patents by Inventor Frederick Gordon Mackay

Frederick Gordon Mackay 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).

  • Hydrotherapy foot tub
    Patent number: D247511
    Type: Grant
    Filed: May 10, 1976
    Date of Patent: March 14, 1978
    Assignee: Teledyne Industries, Inc.
    Inventors: Gerald William Lee, Allan Bernard Johnson, Frederick Gordon Mackay
  • Warming tray
    Patent number: D249864
    Type: Grant
    Filed: October 26, 1976
    Date of Patent: October 10, 1978
    Assignee: Teledyne Industries, Inc.
    Inventors: Frederick Gordon Mackay, Horace Ted Keryluk