Patents by Inventor Ching-Hsiao Chen

Ching-Hsiao Chen 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: D493242
    Type: Grant
    Filed: April 18, 2003
    Date of Patent: July 20, 2004
    Assignee: Tseng Mei Enterprise Co., Ltd.
    Inventor: Ching-Hsiao Chen