Patents by Inventor Peter C. Keen

Peter C. Keen 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).

  • Shoe upper
    Patent number: D329738
    Type: Grant
    Filed: December 19, 1991
    Date of Patent: September 29, 1992
    Assignee: The Rockport Company, Inc.
    Inventor: Peter C. Keen
  • Shoe upper
    Patent number: D342370
    Type: Grant
    Filed: November 12, 1992
    Date of Patent: December 21, 1993
    Assignee: The Rockport Company, Inc.
    Inventor: Peter C. Keen