Patents Assigned to CES English Co., Ltd.
  • Toy block
    Patent number: D616046
    Type: Grant
    Filed: February 5, 2009
    Date of Patent: May 18, 2010
    Assignee: CES English Co., Ltd.
    Inventor: Kyoo-Dong Hwang
  • Toy block
    Patent number: D699792
    Type: Grant
    Filed: February 24, 2012
    Date of Patent: February 18, 2014
    Assignee: CES English Co., Ltd.
    Inventor: Kyoo-Dong Hwang