Patents by Inventor Coeman Lam Sang Wong

Coeman Lam Sang Wong 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).

  • Dynamic messaging sign
    Publication number: 20040123501
    Abstract: A dynamic messaging sign that includes a plurality of display panels arranged side by side. Each of the display panels include a rigid front panel having an array of aperture holes formed therethrough, and a plurality of pixel modules arranged rearward of the front panel in alignment with the aperture holes for selectively generating indicators visible though the aperture holes. A sheet lens may be located between the planar central portion of the front panel and the pixel modules, extending over the aperture holes.
    Type: Application
    Filed: August 19, 2003
    Publication date: July 1, 2004
    Applicant: Mark IV Industries Ltd.
    Inventors: Ramin Safavi, Raymond Siu Ming Poon, Vladimir A. Volochine, Coeman Lam Sang Wong