Patents by Inventor Au Yeung Sui Fai

Au Yeung Sui Fai 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).

  • Hand held eleectronic game
    Patent number: D399267
    Type: Grant
    Filed: May 8, 1997
    Date of Patent: October 6, 1998
    Assignee: Watercore Limited
    Inventor: Au Yeung Sui Fai
  • Hand held electronic game
    Patent number: D401297
    Type: Grant
    Filed: May 8, 1997
    Date of Patent: November 17, 1998
    Assignee: Watercore Limited
    Inventor: Au Yeung Sui Fai