Patents by Inventor Kei Fung Choi

Kei Fung Choi 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 car
    Patent number: D383807
    Type: Grant
    Filed: February 12, 1996
    Date of Patent: September 16, 1997
    Inventor: Kevin Kei Fung Choi