Patents by Inventor Tony T. W. Ng

Tony T. W. Ng 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).

  • Air stone
    Patent number: D334086
    Type: Grant
    Filed: April 24, 1991
    Date of Patent: March 16, 1993
    Assignee: Veny Plastic Co., Limited
    Inventor: Tony T. W. Ng
  • Aquarium ornament
    Patent number: D357768
    Type: Grant
    Filed: December 9, 1993
    Date of Patent: April 25, 1995
    Inventor: Tony T. W. Ng