Patents Assigned to SHANGHAI KEARING STATIONERY CO., LTD.
  • Hot iron ruler
    Patent number: D899951
    Type: Grant
    Filed: July 2, 2020
    Date of Patent: October 27, 2020
    Assignee: SHANGHAI KEARING STATIONERY CO., LTD.
    Inventor: Chongchao Zhao
  • Hot iron ruler
    Patent number: D899952
    Type: Grant
    Filed: July 2, 2020
    Date of Patent: October 27, 2020
    Assignee: SHANGHAI KEARING STATIONERY CO., LTD.
    Inventor: Chongchao Zhao