Patents by Inventor Gu-Chen Chen

Gu-Chen 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).

  • Can opener
    Patent number: D488976
    Type: Grant
    Filed: October 29, 2002
    Date of Patent: April 27, 2004
    Inventor: Gu-Chen Chen