Patents by Inventor Keith Hagen

Keith Hagen 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).

  • Spinner blade
    Patent number: D458338
    Type: Grant
    Filed: August 31, 2001
    Date of Patent: June 4, 2002
    Assignee: Mitchell Manufacturing, Inc.
    Inventors: Kevin Hagen, Keith Hagen