Patents by Inventor Guoqiao Sun

Guoqiao Sun 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).

  • Hacksaw frame
    Patent number: D932862
    Type: Grant
    Filed: July 17, 2020
    Date of Patent: October 12, 2021
    Inventor: Guoqiao Sun
  • Hacksaw frame
    Patent number: D954523
    Type: Grant
    Filed: April 8, 2021
    Date of Patent: June 14, 2022
    Inventor: Guoqiao Sun
  • Hacksaw frame
    Patent number: D955198
    Type: Grant
    Filed: June 20, 2021
    Date of Patent: June 21, 2022
    Inventor: Guoqiao Sun
  • Hacksaw frame
    Patent number: D970327
    Type: Grant
    Filed: May 10, 2022
    Date of Patent: November 22, 2022
    Inventor: Guoqiao Sun
  • Hacksaw
    Patent number: D1019327
    Type: Grant
    Filed: January 2, 2024
    Date of Patent: March 26, 2024
    Inventor: Guoqiao Sun