Patents by Inventor Ning Diao

Ning Diao 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).

  • Handheld fan
    Patent number: D1025335
    Type: Grant
    Filed: January 10, 2024
    Date of Patent: April 30, 2024
    Inventor: Ning Diao
  • Aromatherapy humidifier
    Patent number: D1031966
    Type: Grant
    Filed: January 5, 2022
    Date of Patent: June 18, 2024
    Inventor: Ning Diao