Patents by Inventor Jingnan Zheng

Jingnan Zheng 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).

  • Patent number: D931146
    Type: Grant
    Filed: December 4, 2018
    Date of Patent: September 21, 2021
    Assignee: BEIJING QISHENG SCIENCE AND TECHNOLOGY CO., LTD.
    Inventors: Zhenan Huang, Jingnan Zheng