Patents by Inventor Guo Shu Chen

Guo Shu 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).

  • Toolbox
    Patent number: D404569
    Type: Grant
    Filed: January 30, 1998
    Date of Patent: January 26, 1999
    Inventor: Guo Shu Chen
  • Tool box
    Patent number: D412785
    Type: Grant
    Filed: May 18, 1998
    Date of Patent: August 17, 1999
    Inventor: Guo Shu Chen