Patents by Inventor Thang Lu Chien

Thang Lu Chien 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).

  • Distributed illumination arrangement for a soft object
    Patent number: 5722757
    Abstract: An illumination arrangement for a soft object such as an article of wearing apparel utilizes a light emitting diode as a light source and an optical element coupled with the light emitting diode to enhance the visibility of the illumination arrangement by distributing light emitted by the diode uniformly over a length or surface area of the optical element. The optical element may for example form part of a lace assembly, strap, or decorative panel of a shoe, boot, or sandal.
    Type: Grant
    Filed: March 11, 1996
    Date of Patent: March 3, 1998
    Inventor: Thang Lu Chien