Patents by Inventor Qundi Yuan

Qundi Yuan 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).

  • Dish brush
    Patent number: D930308
    Type: Grant
    Filed: August 7, 2020
    Date of Patent: September 7, 2021
    Inventor: Qundi Yuan
  • Brush head
    Patent number: D936316
    Type: Grant
    Filed: June 22, 2020
    Date of Patent: November 16, 2021
    Inventor: Qundi Yuan