Patents by Inventor Dehua Liang

Dehua Liang 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).

  • Chair back
    Patent number: D996877
    Type: Grant
    Filed: August 16, 2021
    Date of Patent: August 29, 2023
    Inventor: Dehua Liang
  • Chair backrest
    Patent number: D1015790
    Type: Grant
    Filed: November 30, 2021
    Date of Patent: February 27, 2024
    Inventor: Dehua Liang