Patents by Inventor Horst Raff

Horst Raff 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).

  • Wide-angle viewing window with a plurality of optical structures
    Patent number: 4900914
    Abstract: The invention is directed to a viewing window having a wide-angle view. This window is realized by subdividing the space to be viewed into sectors which requires the utilization of several different prismatic bodies.
    Type: Grant
    Filed: May 25, 1988
    Date of Patent: February 13, 1990
    Assignee: Carl-Zeiss-Stiftung
    Inventors: Horst Raff, Rolf Traeger