Patents by Inventor Ralph Guest

Ralph Guest 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: D606229
    Type: Grant
    Filed: September 22, 2008
    Date of Patent: December 15, 2009
    Assignee: C. Crane Company, Inc.
    Inventors: Jarl Johansen, Ralph Guest, Isiah Hahner, Robert Crane