Patents by Inventor KemCheng Cheung

KemCheng Cheung 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).

  • Spotlight
    Patent number: D526731
    Type: Grant
    Filed: July 20, 2005
    Date of Patent: August 15, 2006
    Assignee: Autotek Products Limited
    Inventors: KemCheng Cheung, Tommy Cheung