Patents by Inventor Wai Kei OR

Wai Kei OR 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).

  • Video game console
    Patent number: D559327
    Type: Grant
    Filed: October 18, 2006
    Date of Patent: January 8, 2008
    Assignee: VTech Electronics, Ltd.
    Inventors: Chun Keung Luk, Wai Kei Ko
  • Electronic learning aid housing face
    Patent number: D484923
    Type: Grant
    Filed: August 2, 2001
    Date of Patent: January 6, 2004
    Assignee: VTech Electronics Limited
    Inventor: Kenneth Ko Wai-Kei