Patents by Inventor Fritz Ritzl

Fritz Ritzl 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).

  • Motor vehicle with an open body
    Patent number: 4676524
    Abstract: A motor vehicle with an open body which includes forward body columns inclined opposite the driving direction. These body columns are protected against buckling in case of an overturning of the vehicle by approximately vertically extending support struts.
    Type: Grant
    Filed: January 24, 1986
    Date of Patent: June 30, 1987
    Inventors: Wilfried Ball, Heinz Stelzer, Fritz Ritzl, Hermann Siebold, Peter Hens, Edmund Hautmann