Patents Assigned to Ningbo Johnshen Stationery Co., Ltd.
  • Pen
    Patent number: D818043
    Type: Grant
    Filed: July 8, 2016
    Date of Patent: May 15, 2018
    Assignee: Ningbo Johnshen Stationery Co., Ltd.
    Inventor: Chongbiao Zhao
  • Pen
    Patent number: D819129
    Type: Grant
    Filed: May 9, 2016
    Date of Patent: May 29, 2018
    Assignee: Ningbo Johnshen Stationery Co., Ltd.
    Inventor: Chongbiao Zhao
  • Pen
    Patent number: D837883
    Type: Grant
    Filed: March 3, 2017
    Date of Patent: January 8, 2019
    Assignee: Ningbo Johnshen Stationery Co., Ltd.
    Inventor: Chongbiao Zhao