Patents by Inventor Tang Feifei

Tang Feifei 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).

  • Shell
    Patent number: D889838
    Type: Grant
    Filed: January 18, 2019
    Date of Patent: July 14, 2020
    Assignee: Xindao (Shanghai) Co., Ltd.
    Inventor: Tang Feifei
  • Backpack
    Patent number: D893192
    Type: Grant
    Filed: July 2, 2019
    Date of Patent: August 18, 2020
    Assignee: Xindao (Shanghai) Co., Ltd.
    Inventor: Tang Feifei
  • Complete backpack
    Patent number: D911023
    Type: Grant
    Filed: January 18, 2019
    Date of Patent: February 23, 2021
    Assignee: XINDAO (SHANGHAI) CO., LTD.
    Inventor: Tang Feifei
  • Backpack
    Patent number: D947523
    Type: Grant
    Filed: July 5, 2019
    Date of Patent: April 5, 2022
    Assignee: Xindao (Shanghai) Co., Ltd.
    Inventor: Tang Feifei