Patents by Inventor Francis Wayne Ritchie

Francis Wayne Ritchie 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: D465665
    Type: Grant
    Filed: April 18, 2002
    Date of Patent: November 19, 2002
    Assignee: FDL, Inc.
    Inventors: Francis Wayne Ritchie, Andrew Boyce Cizmar