Patents by Inventor Ju-Pi Chen-Li

Ju-Pi Chen-Li 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).

  • Wrench
    Patent number: D474663
    Type: Grant
    Filed: January 25, 2002
    Date of Patent: May 20, 2003
    Inventor: Ju-Pi Chen-Li