Patents by Inventor Christophe E. Blanc

Christophe E. Blanc 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).

  • Edge-lighted luminous device
    Patent number: 6275339
    Abstract: The technical field of the invention is that of manufacturing luminous display devices. The invention provides an edge-lighted luminous device comprising a thin plate of translucent or transparent plastics material, a light source lighting the edge of the plate, and on at least one of the main faces of the device, a grating of linear diffusing motifs of spacing that varies regularly.
    Type: Grant
    Filed: March 26, 1999
    Date of Patent: August 14, 2001
    Inventors: Frédéric Chazallet, Christophe E. Blanc