Patents Assigned to Dongguan Tianyi Stationery Co., Ltd.
  • Paint brush cleaner
    Patent number: D1002724
    Type: Grant
    Filed: May 31, 2023
    Date of Patent: October 24, 2023
    Assignee: Dongguan Tianyi Stationery Co., Ltd.
    Inventor: Zhiyun Xie
  • Marker pen
    Patent number: D1020880
    Type: Grant
    Filed: September 27, 2023
    Date of Patent: April 2, 2024
    Assignee: Dongguan Tianyi Stationery Co., Ltd.
    Inventor: Pei Zhou
  • Marker pen
    Patent number: D1020881
    Type: Grant
    Filed: September 27, 2023
    Date of Patent: April 2, 2024
    Assignee: Dongguan Tianyi Stationery Co., Ltd.
    Inventor: Pei Zhou