Patents by Inventor Zusan Zhu

Zusan Zhu 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).

  • Sport wireless earphone
    Patent number: D843344
    Type: Grant
    Filed: June 20, 2017
    Date of Patent: March 19, 2019
    Inventor: Zusan Zhu
  • Sport bluetooth earphones
    Patent number: D873246
    Type: Grant
    Filed: July 7, 2017
    Date of Patent: January 21, 2020
    Inventor: Zusan Zhu