Patents by Inventor Donny Chi Kit Leung

Donny Chi Kit Leung 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: D538858
    Type: Grant
    Filed: October 21, 2005
    Date of Patent: March 20, 2007
    Assignee: Vtech Electronics, Ltd.
    Inventors: Stephine Mak Pui See, Donny Chi Kit Leung
  • Video game controller with rotational element
    Patent number: D553619
    Type: Grant
    Filed: October 21, 2005
    Date of Patent: October 23, 2007
    Assignee: VTech Electronics, Ltd
    Inventors: Pui See (Stephine) Mak, Donny Chi Kit Leung
  • Data disc enclosure
    Patent number: D563414
    Type: Grant
    Filed: October 21, 2005
    Date of Patent: March 4, 2008
    Assignee: VTech Electronics, Ltd.
    Inventors: Stephine Mak Pui See, Donny Chi Kit Leung