Patents by Inventor Paul S. Hepworth

Paul S. Hepworth 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).

  • Hook for a hollow door
    Patent number: D254943
    Type: Grant
    Filed: April 11, 1978
    Date of Patent: May 13, 1980
    Assignee: Plas Plugs Ltd.
    Inventor: Paul S. Hepworth