Patents by Inventor Cliff Wai Keung Tse

Cliff Wai Keung Tse 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 vehicle
    Patent number: D443318
    Type: Grant
    Filed: November 13, 2000
    Date of Patent: June 5, 2001
    Assignee: Wah Hing Toys Development Co., Ltd.
    Inventor: Cliff Wai Keung Tse
  • Toy vehicle
    Patent number: D454602
    Type: Grant
    Filed: November 13, 2000
    Date of Patent: March 19, 2002
    Assignee: Wah Hing Toys Development Co., Ltd.
    Inventor: Cliff Wai Keung Tse