Patents by Inventor Jeff Yongguang Chang

Jeff Yongguang Chang 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).

  • Desk
    Patent number: D901959
    Type: Grant
    Filed: April 18, 2019
    Date of Patent: November 17, 2020
    Inventor: Jeff Yongguang Chang
  • Desk
    Patent number: D923989
    Type: Grant
    Filed: July 19, 2019
    Date of Patent: July 6, 2021
    Inventor: Jeff Yongguang Chang
  • Table top
    Patent number: D934012
    Type: Grant
    Filed: June 4, 2019
    Date of Patent: October 26, 2021
    Inventor: Jeff Yongguang Chang