Patents by Inventor Yi-De Chan

Yi-De Chan 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).

  • Power supply unit
    Patent number: D465453
    Type: Grant
    Filed: October 17, 2001
    Date of Patent: November 12, 2002
    Assignee: Great Energy Co., Ltd.
    Inventor: Yi-De Chan