Patents by Inventor Rico U. Ruffner

Rico U. Ruffner 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).

  • Handset telephone with articulated end
    Patent number: D300743
    Type: Grant
    Filed: November 19, 1987
    Date of Patent: April 18, 1989
    Assignee: Autophon Telecom AG
    Inventors: Hans Zaugg, Franz Raible, Rico U. Ruffner