Patents by Inventor Zhiwu Tu

Zhiwu Tu 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).

  • Resistance band
    Patent number: D952778
    Type: Grant
    Filed: October 19, 2020
    Date of Patent: May 24, 2022
    Inventor: Zhiwu Tu
  • Balance board
    Patent number: D960262
    Type: Grant
    Filed: March 29, 2021
    Date of Patent: August 9, 2022
    Inventor: Zhiwu Tu