Patents by Inventor Qinwen Zheng

Qinwen 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).

  • Desk lamp
    Patent number: D937463
    Type: Grant
    Filed: January 15, 2021
    Date of Patent: November 30, 2021
    Inventor: Qinwen Zheng
  • Waist trimmer
    Patent number: D960490
    Type: Grant
    Filed: February 5, 2021
    Date of Patent: August 16, 2022
    Inventor: Qinwen Zheng