Patents by Inventor Zhaowei Zhu

Zhaowei 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).

  • Earphone
    Patent number: D868752
    Type: Grant
    Filed: September 2, 2019
    Date of Patent: December 3, 2019
    Inventor: Zhaowei Zhu
  • Earphone
    Patent number: D905018
    Type: Grant
    Filed: March 26, 2020
    Date of Patent: December 15, 2020
    Inventor: Zhaowei Zhu