Patents by Inventor Weiyong Zhang

Weiyong Zhang 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).

  • LED lighting device
    Patent number: D923224
    Type: Grant
    Filed: May 8, 2020
    Date of Patent: June 22, 2021
    Inventor: Weiyong Zhang
  • LED lighting device
    Patent number: D939745
    Type: Grant
    Filed: September 5, 2018
    Date of Patent: December 28, 2021
    Inventor: Weiyong Zhang