Patents by Inventor Sung-Fu Chu

Sung-Fu Chu 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).

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    Patent number: D409778
    Type: Grant
    Filed: July 21, 1998
    Date of Patent: May 11, 1999
    Assignee: Kung Long Batteries Industrial Co. Ltd.
    Inventor: Sung-Fu Chu