Patents by Inventor Thomas Ng Chuk-Sun

Thomas Ng Chuk-Sun 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: D317025
    Type: Grant
    Filed: December 5, 1988
    Date of Patent: May 21, 1991
    Assignee: Blue Box Toy Factory Limited
    Inventor: Thomas Ng Chuk-Sun