Patents by Inventor Fu Tong Choi

Fu Tong Choi 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).

  • Patent number: D437694
    Type: Grant
    Filed: January 4, 2000
    Date of Patent: February 20, 2001
    Assignee: Kwok Keung Metal Works Ltd.
    Inventor: Fu Tong Choi
  • Patent number: D438018
    Type: Grant
    Filed: January 4, 2000
    Date of Patent: February 27, 2001
    Assignee: Kwok Keung Metal Works Limited
    Inventor: Fu Tong Choi