Patents by Inventor Harold K. Sadler

Harold K. Sadler 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).

  • Patent number: D489254
    Type: Grant
    Filed: December 3, 2002
    Date of Patent: May 4, 2004
    Assignee: De Ster Corporation
    Inventors: Stephen J. Kocis, Harold K. Sadler, Oyvind Forland