Patents by Inventor YangSook Lee

YangSook 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).

  • Patent number: D422979
    Type: Grant
    Filed: April 27, 1999
    Date of Patent: April 18, 2000
    Assignee: Comtec Systems Co., Ltd
    Inventor: YangSook Lee