Patents by Inventor Guocheng Tang

Guocheng Tang 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).

  • Toothbrush head
    Patent number: D933965
    Type: Grant
    Filed: January 14, 2021
    Date of Patent: October 26, 2021
    Inventor: Guocheng Tang
  • Toothbrush head
    Patent number: D965303
    Type: Grant
    Filed: May 27, 2022
    Date of Patent: October 4, 2022
    Inventor: Guocheng Tang