Patents by Inventor Yangxi Zeng

Yangxi Zeng 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).

  • Camera
    Patent number: D873891
    Type: Grant
    Filed: June 12, 2019
    Date of Patent: January 28, 2020
    Inventor: Yangxi Zeng
  • Doorbell
    Patent number: D921510
    Type: Grant
    Filed: November 17, 2019
    Date of Patent: June 8, 2021
    Inventor: Yangxi Zeng