Patents Assigned to Beijing Yilingchenfei Technology Co., Ltd.
  • Drawing board
    Patent number: D975180
    Type: Grant
    Filed: June 29, 2021
    Date of Patent: January 10, 2023
    Assignee: Beijing Yilingchenfei Technology Co., Ltd.
    Inventor: Ping Du
  • Drawing board
    Patent number: D989864
    Type: Grant
    Filed: June 29, 2021
    Date of Patent: June 20, 2023
    Assignee: Beijing Yilingchenfei Technology Co., Ltd.
    Inventor: Ping Du
  • Pirate beach music set
    Patent number: D1000512
    Type: Grant
    Filed: May 9, 2022
    Date of Patent: October 3, 2023
    Assignee: Beijing Yilingchenfei Technology Co., Ltd
    Inventor: Ping Du
  • Drawing board
    Patent number: D1003997
    Type: Grant
    Filed: June 17, 2021
    Date of Patent: November 7, 2023
    Assignee: Beijing Yilingchenfei Technology Co., Ltd.
    Inventor: Ping Du