Patents by Inventor Jian Qian Chen

Jian Qian 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).

  • Health-diet sandal
    Patent number: D452989
    Type: Grant
    Filed: July 10, 2001
    Date of Patent: January 22, 2002
    Inventor: Jian Qian Chen