Patents by Inventor Weichong Feng

Weichong Feng 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).

  • Solar flashlight
    Patent number: D1016350
    Type: Grant
    Filed: January 19, 2022
    Date of Patent: February 27, 2024
    Inventor: Weichong Feng
  • Emergency power flashlight
    Patent number: D1023375
    Type: Grant
    Filed: January 19, 2022
    Date of Patent: April 16, 2024
    Inventor: Weichong Feng