Patents by Inventor Peter W. Gray

Peter W. Gray 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).

  • Window sill
    Patent number: D270766
    Type: Grant
    Filed: September 18, 1981
    Date of Patent: September 27, 1983
    Assignee: Hepworth Plastics Limited
    Inventor: Peter W. Gray
  • End cap for a window sill
    Patent number: D270767
    Type: Grant
    Filed: September 18, 1981
    Date of Patent: September 27, 1983
    Assignee: Hepworth Plastics Limited
    Inventor: Peter W. Gray