Patents by Inventor Danchun Lu

Danchun 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).

  • Early education machine
    Patent number: D1001906
    Type: Grant
    Filed: March 16, 2023
    Date of Patent: October 17, 2023
    Inventor: Danchun Lu
  • Educational toy
    Patent number: D1046007
    Type: Grant
    Filed: December 14, 2023
    Date of Patent: October 8, 2024
    Inventor: Danchun Lu