Patents by Inventor Chun Nuan Chen

Chun Nuan 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).

  • Physical exercise device
    Patent number: D446584
    Type: Grant
    Filed: July 28, 2000
    Date of Patent: August 14, 2001
    Inventor: Chun Nuan Chen