Patents by Inventor Cheung Hing Au Yeng

Cheung Hing Au Yeng 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).

  • Patent number: D426899
    Type: Grant
    Filed: November 16, 1999
    Date of Patent: June 20, 2000
    Assignee: Philips Hong Kong Limited
    Inventor: Cheung Hing Au Yeng