Patents by Inventor Udo Scheer

Udo Scheer 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).

  • Method for manufacturing a flat illumination unit
    Patent number: 4743410
    Abstract: A method for manufacturing a flat illumination unit provides light guide channels in the form of transparent rods arranged in lines on the upper side of a plate. The upper side of a plate is coated with a casting compound and, after hardening of the casting compound, the plate is eroded from the opposite side until only the light guide channels remain respectively surrounded on three sides by the casting compound and therewith form a film.
    Type: Grant
    Filed: March 28, 1986
    Date of Patent: May 10, 1988
    Assignee: Siemens Aktiengesellschaft
    Inventors: Hartmut Grethen, Werner Nickel, Udo Scheer