Patents by Inventor Gunter Weil

Gunter Weil 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).

  • Display unit and optical waveguide for use in same
    Patent number: 4929053
    Abstract: The display unit comprises an optical waveguide (3) which is made of polycarbonate with admixtures of titanium dioxide and at least one fluorescent, light-converting organic dye. This achieves a uniform brightness distribution.
    Type: Grant
    Filed: January 23, 1989
    Date of Patent: May 29, 1990
    Assignee: U.S. Philips Corporation
    Inventors: Friedrich Muller-Stute, Gunter Weil