Patents by Inventor Norbert Wefers

Norbert Wefers 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).

  • Sensing rod for the manual scanning of graphic information
    Patent number: 3949195
    Abstract: A sensing rod for use in the manual scanning of graphic information. The sensing rod has a tip which is adapted to both reflect light and to receive light which is reflected from an information carrier. A light-emitting section is provided at the front end of the gripping zone which is optically coupled with at least one source of light arranged in the sensing rod.
    Type: Grant
    Filed: April 22, 1974
    Date of Patent: April 6, 1976
    Assignee: Nixdorf Computer AG
    Inventors: Norbert Wefers, Uwe Unglaube, Joachim Schwarzkopf