Patents by Inventor Qingbiao Zhang

Qingbiao Zhang 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).

  • Keyboard
    Patent number: D934247
    Type: Grant
    Filed: January 14, 2020
    Date of Patent: October 26, 2021
    Assignee: SHENZHEN HONGTAIQI TECHNOLOGY CO., LTD.
    Inventor: Qingbiao Zhang
  • Laptop stand
    Patent number: D979574
    Type: Grant
    Filed: January 19, 2021
    Date of Patent: February 28, 2023
    Assignee: Shenzhen Hongtaiqi Technology Co., Ltd.
    Inventor: Qingbiao Zhang