Patents by Inventor Xingchang Yang

Xingchang Yang 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).

  • Office chair
    Patent number: D988020
    Type: Grant
    Filed: August 19, 2022
    Date of Patent: June 6, 2023
    Inventor: Xingchang Yang
  • Office chair
    Patent number: D996876
    Type: Grant
    Filed: August 17, 2022
    Date of Patent: August 29, 2023
    Inventor: Xingchang Yang