Patents by Inventor Chi O. Lee

Chi O. Lee 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).

  • Telephone set
    Patent number: D352944
    Type: Grant
    Filed: November 15, 1993
    Date of Patent: November 29, 1994
    Assignee: Team Concepts International Limited
    Inventor: Chi O. Lee