Patents by Inventor Yingrui Xu

Yingrui Xu 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).

  • Card reader
    Patent number: D947190
    Type: Grant
    Filed: December 28, 2021
    Date of Patent: March 29, 2022
    Assignee: SHENZHEN WANG AN TECHNOLOGY CO., LTD.
    Inventor: Yingrui Xu
  • Card reader
    Patent number: D974361
    Type: Grant
    Filed: December 28, 2021
    Date of Patent: January 3, 2023
    Assignee: SHENZHEN WANG AN TECHNOLOGY CO., LTD.
    Inventor: Yingrui Xu
  • Card reader
    Patent number: D994667
    Type: Grant
    Filed: December 28, 2021
    Date of Patent: August 8, 2023
    Assignee: SHENZHEN WANG AN TECHNOLOGY CO., LTD.
    Inventor: Yingrui Xu