Patents by Inventor Du Li Li

Du Li 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).

  • Touch screen wiring device
    Patent number: D735144
    Type: Grant
    Filed: October 25, 2012
    Date of Patent: July 28, 2015
    Assignee: Cooper Technologies Company
    Inventors: Carlos Eduardo Restrepo, Du Li Li, Zhang Xian Zhen
  • Touch screen wiring device
    Patent number: D768578
    Type: Grant
    Filed: August 4, 2014
    Date of Patent: October 11, 2016
    Assignee: Cooper Technologies Company
    Inventors: Carlos Eduardo Restrepo, Du Li Li, Zhang Xian Zhen