Patents by Inventor William E. Sornborger

William E. Sornborger 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).

  • Picture frame
    Patent number: D298489
    Type: Grant
    Filed: May 12, 1986
    Date of Patent: November 15, 1988
    Assignee: North Star Company, Inc.
    Inventor: William E. Sornborger