Patents by Inventor Qinrong Zhang

Qinrong 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).

  • Patent number: D959596
    Type: Grant
    Filed: July 12, 2021
    Date of Patent: August 2, 2022
    Assignee: Ruichang Ronggui Trading Co., Ltd.
    Inventor: Qinrong Zhang
  • Patent number: D994008
    Type: Grant
    Filed: February 16, 2023
    Date of Patent: August 1, 2023
    Assignee: Ruichang Ronggui Trading Co., Ltd.
    Inventor: Qinrong Zhang