Patents by Inventor De You Li

De You Li 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).

  • Anti-wrinkle shoe shield
    Patent number: D945750
    Type: Grant
    Filed: September 24, 2021
    Date of Patent: March 15, 2022
    Inventor: De You Li
  • Heel grip
    Patent number: D970163
    Type: Grant
    Filed: January 28, 2022
    Date of Patent: November 22, 2022
    Inventor: De You Li