Patents by Inventor Qingfeng Xiong

Qingfeng Xiong 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).

  • Pair of earphones
    Patent number: D989747
    Type: Grant
    Filed: May 26, 2021
    Date of Patent: June 20, 2023
    Assignee: SHENZHEN THOUSANDSHORES TECHNOLOGY CO., LTD.
    Inventors: Ding He, Zhi Liu, Zhenxing Pi, Qingfeng Xiong