Patents by Inventor William T. Hankinson

William T. Hankinson 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).

  • Watch dial
    Patent number: D293658
    Type: Grant
    Filed: May 13, 1985
    Date of Patent: January 12, 1988
    Inventor: William T. Hankinson
  • Lighted briefcase
    Patent number: D314083
    Type: Grant
    Filed: July 13, 1988
    Date of Patent: January 29, 1991
    Assignee: William T. Hankinson
    Inventor: William T. Hankinson