Patents by Inventor Hanghang Lu

Hanghang Lu 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).

  • Toy track
    Patent number: D965077
    Type: Grant
    Filed: January 25, 2022
    Date of Patent: September 27, 2022
    Inventor: Hanghang Lu
  • 3D dinosaur puzzle
    Patent number: D980345
    Type: Grant
    Filed: July 13, 2022
    Date of Patent: March 7, 2023
    Inventor: Hanghang Lu