Patents Assigned to Hop Lee Cheong Industrial Company Ltd.
  • Drawing board
    Patent number: D356335
    Type: Grant
    Filed: June 24, 1993
    Date of Patent: March 14, 1995
    Assignee: Hop Lee Cheong Industrial Company Ltd.
    Inventor: Kai-Shun Mak
  • Drawing board
    Patent number: D356336
    Type: Grant
    Filed: June 24, 1993
    Date of Patent: March 14, 1995
    Assignee: Hop Lee Cheong Industrial Company Ltd.
    Inventor: Kai-Shun Mak
  • Toy drawing board
    Patent number: D419190
    Type: Grant
    Filed: January 25, 1999
    Date of Patent: January 18, 2000
    Assignee: Hop Lee Cheong Industrial Company Ltd.
    Inventor: Kai-Shun Mak
  • Toy drawing board
    Patent number: D419599
    Type: Grant
    Filed: January 25, 1999
    Date of Patent: January 25, 2000
    Assignee: Hop Lee Cheong Industrial Company Ltd.
    Inventor: Kai-Shun Mak