Patents by Inventor Meihong Duan

Meihong Duan 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).

  • Projection lamp
    Patent number: D980499
    Type: Grant
    Filed: April 13, 2022
    Date of Patent: March 7, 2023
    Inventor: Meihong Duan
  • Lantern
    Patent number: D1020045
    Type: Grant
    Filed: February 16, 2023
    Date of Patent: March 26, 2024
    Inventor: Meihong Duan