Patents by Inventor Carol Choi

Carol 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).

  • Dispensing lid
    Patent number: D511685
    Type: Grant
    Filed: January 21, 2004
    Date of Patent: November 22, 2005
    Assignee: United Exchange Corporation
    Inventor: Carol Choi
  • Dispensing lid
    Patent number: D513474
    Type: Grant
    Filed: January 21, 2004
    Date of Patent: January 10, 2006
    Assignee: United Exchange Corporation
    Inventor: Carol Choi
  • Transparent dispensing lid
    Patent number: D514446
    Type: Grant
    Filed: June 8, 2004
    Date of Patent: February 7, 2006
    Assignee: United Exchange Corporation
    Inventor: Carol Choi