Patents Assigned to CIXI XIUBI SIZHUANG STATIONERY MANUFACTURING CO., LTD.
  • Water brush pen
    Patent number: D882274
    Type: Grant
    Filed: November 13, 2019
    Date of Patent: April 28, 2020
    Assignee: CIXI XIUBI SIZHUANG STATIONERY MANUFACTURING CO., LTD.
    Inventor: Jianyue Han