Patents by Inventor Yiu C. A. Wan

Yiu C. A. Wan 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).

  • Multi-function lantern
    Patent number: D304089
    Type: Grant
    Filed: January 5, 1987
    Date of Patent: October 17, 1989
    Assignee: Fee Tat Plastic Factory Limited
    Inventor: Yiu C. A. Wan
  • Multi-function lantern
    Patent number: D304090
    Type: Grant
    Filed: January 5, 1987
    Date of Patent: October 17, 1989
    Assignee: Fee Tat Plastic Factory Limited
    Inventor: Yiu C. A. Wan