Patents by Inventor Pak Keung Leung

Pak Keung 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).

  • Toy musical keyboard
    Patent number: D389876
    Type: Grant
    Filed: January 2, 1997
    Date of Patent: January 27, 1998
    Assignee: The Little Tikes Company
    Inventor: Pak Keung Leung
  • Toy telephone
    Patent number: D416293
    Type: Grant
    Filed: January 2, 1997
    Date of Patent: November 9, 1999
    Assignee: The Little Tikes Company
    Inventor: Pak Keung Leung