Patents by Inventor John Keiffner

John Keiffner 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: D568746
    Type: Grant
    Filed: June 11, 2007
    Date of Patent: May 13, 2008
    Assignee: Australian Gold, Inc.
    Inventors: William R. Goldsmith, John Keiffner