Patents by Inventor Dihua Sun

Dihua Sun 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).

  • Retractable camping light
    Patent number: D849295
    Type: Grant
    Filed: November 13, 2017
    Date of Patent: May 21, 2019
    Inventor: Dihua Sun
  • Headlamp
    Patent number: D918447
    Type: Grant
    Filed: August 5, 2019
    Date of Patent: May 4, 2021
    Inventor: Dihua Sun