Patents by Inventor Kaidong Zhao

Kaidong 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).

  • Writing board
    Patent number: D948616
    Type: Grant
    Filed: December 23, 2021
    Date of Patent: April 12, 2022
    Assignee: SHENZHEN BINZHEN HONGTUO INDUSTRIAL CO., LTD.
    Inventor: Kaidong Zhao
  • Writing board
    Patent number: D948617
    Type: Grant
    Filed: December 27, 2021
    Date of Patent: April 12, 2022
    Assignee: SHENZHEN BINZHEN HONGTUO INDUSTRIAL CO., LTD.
    Inventor: Kaidong Zhao
  • Writing board
    Patent number: D950646
    Type: Grant
    Filed: December 31, 2021
    Date of Patent: May 3, 2022
    Assignee: SHENZHEN BINZHEN HONGTUO INDUSTRIAL CO., LTD.
    Inventor: Kaidong Zhao
  • Writing board
    Patent number: D952739
    Type: Grant
    Filed: December 13, 2021
    Date of Patent: May 24, 2022
    Assignee: SHENZHEN BINZHEN HONGTUO INDUSTRIAL CO., LTD.
    Inventor: Kaidong Zhao