Patents by Inventor James E. Crichton

James E. Crichton 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: D347117
    Type: Grant
    Filed: December 24, 1992
    Date of Patent: May 24, 1994
    Inventors: James E. Crichton, Gorden R. Munneke