Patents by Inventor Lingchen Li

Lingchen Li 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).

  • Game board
    Patent number: D953440
    Type: Grant
    Filed: June 23, 2021
    Date of Patent: May 31, 2022
    Assignee: Dongguan Yuansheng Technology Co., Ltd.
    Inventor: Lingchen Li
  • Fries game board
    Patent number: D952748
    Type: Grant
    Filed: May 9, 2021
    Date of Patent: May 24, 2022
    Assignee: Dongguan Yuansheng Technology Co., Ltd.
    Inventor: Lingchen Li
  • Game board
    Patent number: D955499
    Type: Grant
    Filed: August 19, 2021
    Date of Patent: June 21, 2022
    Assignee: DONGGUAN YUANSHENG TECHNOLOGY CO., LTD.
    Inventor: Lingchen Li
  • Cell phone case
    Patent number: D960139
    Type: Grant
    Filed: June 23, 2021
    Date of Patent: August 9, 2022
    Assignee: Dongguan Yuansheng Technology Co., Ltd.
    Inventor: Lingchen Li
  • Game board
    Patent number: D969222
    Type: Grant
    Filed: August 19, 2021
    Date of Patent: November 8, 2022
    Assignee: DONGGUAN YUANSHENG TECHNOLOGY CO., LTD.
    Inventor: Lingchen Li