Patents by Inventor Chaozhengfu Yuan

Chaozhengfu Yuan 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).

  • Patent number: D904077
    Type: Grant
    Filed: December 27, 2018
    Date of Patent: December 8, 2020
    Inventor: Chaozhengfu Yuan
  • Patent number: D1004968
    Type: Grant
    Filed: December 10, 2021
    Date of Patent: November 21, 2023
    Inventors: Chaozhengfu Yuan, Fengfeng Ma