Patents by Inventor Changzheng Tan

Changzheng 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).

  • Oven
    Patent number: D971659
    Type: Grant
    Filed: July 5, 2021
    Date of Patent: December 6, 2022
    Inventor: Changzheng Tan
  • Lighting fixture
    Patent number: D972189
    Type: Grant
    Filed: July 16, 2021
    Date of Patent: December 6, 2022
    Inventor: Changzheng Tan
  • Lighting fixture
    Patent number: D973945
    Type: Grant
    Filed: August 19, 2021
    Date of Patent: December 27, 2022
    Assignee: Lonni, Inc.
    Inventor: Changzheng Tan