Patents by Inventor Kyung T. Chang

Kyung T. Chang 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: D263050
    Type: Grant
    Filed: August 31, 1979
    Date of Patent: February 16, 1982
    Assignee: Han Baek Trading Co., Ltd.
    Inventor: Kyung T. Chang