Patents by Inventor Tingtu Zhang

Tingtu Zhang 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).

  • Hanger
    Patent number: D950968
    Type: Grant
    Filed: April 2, 2021
    Date of Patent: May 10, 2022
    Inventor: Tingtu Zhang
  • Adjustable hook
    Patent number: D957237
    Type: Grant
    Filed: June 18, 2021
    Date of Patent: July 12, 2022
    Inventor: Tingtu Zhang