Patents by Inventor Chongbiao Zhao

Chongbiao Zhao 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).

  • Pen
    Patent number: D818043
    Type: Grant
    Filed: July 8, 2016
    Date of Patent: May 15, 2018
    Assignee: Ningbo Johnshen Stationery Co., Ltd.
    Inventor: Chongbiao Zhao
  • Pen
    Patent number: D819129
    Type: Grant
    Filed: May 9, 2016
    Date of Patent: May 29, 2018
    Assignee: Ningbo Johnshen Stationery Co., Ltd.
    Inventor: Chongbiao Zhao
  • Pen
    Patent number: D837883
    Type: Grant
    Filed: March 3, 2017
    Date of Patent: January 8, 2019
    Assignee: Ningbo Johnshen Stationery Co., Ltd.
    Inventor: Chongbiao Zhao
  • Pen
    Patent number: D875177
    Type: Grant
    Filed: August 20, 2018
    Date of Patent: February 11, 2020
    Inventor: Chongbiao Zhao
  • Ballpoint pen
    Patent number: D885483
    Type: Grant
    Filed: December 7, 2018
    Date of Patent: May 26, 2020
    Inventor: Chongbiao Zhao
  • Pen
    Patent number: D885484
    Type: Grant
    Filed: November 13, 2018
    Date of Patent: May 26, 2020
    Inventor: Chongbiao Zhao
  • Pen
    Patent number: D892932
    Type: Grant
    Filed: November 13, 2018
    Date of Patent: August 11, 2020
    Inventor: Chongbiao Zhao
  • Pen
    Patent number: D1027030
    Type: Grant
    Filed: July 18, 2022
    Date of Patent: May 14, 2024
    Inventor: Chongbiao Zhao
  • Pen
    Patent number: D1034809
    Type: Grant
    Filed: December 2, 2022
    Date of Patent: July 9, 2024
    Inventor: Chongbiao Zhao
  • Pen
    Patent number: D1065327
    Type: Grant
    Filed: July 18, 2022
    Date of Patent: March 4, 2025
    Inventor: Chongbiao Zhao