Patents by Inventor Youming Duan

Youming 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).

  • Milk frother
    Patent number: D966034
    Type: Grant
    Filed: November 19, 2020
    Date of Patent: October 11, 2022
    Assignee: Zulay LLC
    Inventor: Youming Duan
  • Milk frother stand
    Patent number: D968158
    Type: Grant
    Filed: October 30, 2020
    Date of Patent: November 1, 2022
    Inventors: Aaron Cordovez, Youming Duan