Patents by Inventor Chi M. Chui

Chi M. Chui 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).

  • Handle for curling iron
    Patent number: D317366
    Type: Grant
    Filed: March 15, 1989
    Date of Patent: June 4, 1991
    Assignee: Well Treasure Ind. Ltd.
    Inventor: Chi M. Chui
  • Handle for curling iron
    Patent number: D318933
    Type: Grant
    Filed: February 22, 1989
    Date of Patent: August 6, 1991
    Assignee: Well Treasure Ind. Ltd.
    Inventor: Chi M. Chui