Patents by Inventor Ian Ritchie

Ian 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).

  • Pylon
    Patent number: D387436
    Type: Grant
    Filed: September 25, 1995
    Date of Patent: December 9, 1997
    Assignee: Electricite de France
    Inventors: Ian Ritchie, Kathryn Gustafson, Henry Bardsley
  • Pylon
    Patent number: D388192
    Type: Grant
    Filed: September 25, 1995
    Date of Patent: December 23, 1997
    Assignee: Electricite de France
    Inventors: Ian Ritchie, Kathryn Gustafson, Henry Bardsley