Patents by Inventor Qiuning Tan

Qiuning Tan 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).

  • Feeding device
    Patent number: D965920
    Type: Grant
    Filed: December 17, 2020
    Date of Patent: October 4, 2022
    Inventor: Qiuning Tan
  • Pet feeder
    Patent number: D972227
    Type: Grant
    Filed: May 4, 2021
    Date of Patent: December 6, 2022
    Inventor: Qiuning Tan