Patents by Inventor Chui Ying Ivy Ko

Chui Ying Ivy Ko 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).

  • Puzzle
    Patent number: D475094
    Type: Grant
    Filed: January 11, 2002
    Date of Patent: May 27, 2003
    Assignee: Phoenix Industries
    Inventor: Chui Ying Ivy Ko