Patents by Inventor Ngan Y. Ching

Ngan Y. Ching 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).

  • Package for toys
    Patent number: D316226
    Type: Grant
    Filed: September 27, 1988
    Date of Patent: April 16, 1991
    Assignee: May Cheong Toy Products Fty. Ltd.
    Inventor: Ngan Y. Ching