Patents by Inventor Gaofeng Cha

Gaofeng Cha 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).

  • Bar chair
    Patent number: D993645
    Type: Grant
    Filed: August 24, 2022
    Date of Patent: August 1, 2023
    Inventor: Gaofeng Cha
  • Dining chair
    Patent number: D993652
    Type: Grant
    Filed: August 23, 2022
    Date of Patent: August 1, 2023
    Inventor: Gaofeng Cha
  • Bar chair
    Patent number: D993656
    Type: Grant
    Filed: August 31, 2022
    Date of Patent: August 1, 2023
    Inventor: Gaofeng Cha