Patents Assigned to Grace Artificial Jewellery Manufacturing Company Limited
  • Roller skate
    Patent number: D513296
    Type: Grant
    Filed: January 5, 2005
    Date of Patent: December 27, 2005
    Assignee: Grace Artificial Jewellery Manufacturing Company Limited
    Inventor: Li Hua Lin
  • Roller skate
    Patent number: D515164
    Type: Grant
    Filed: January 5, 2005
    Date of Patent: February 14, 2006
    Assignee: Grace Artificial Jewellery Manufacturing Company Limited
    Inventor: Li Hua Lin
  • Helmet
    Patent number: D535059
    Type: Grant
    Filed: August 23, 2005
    Date of Patent: January 9, 2007
    Assignee: Grace Artificial Jewellery Manufacturing Company Limited
    Inventor: Wing Ho Lam
  • Roller skate
    Patent number: D396516
    Type: Grant
    Filed: January 8, 1997
    Date of Patent: July 28, 1998
    Assignee: Grace Artificial Jewellery Manufacturing Company Limited
    Inventor: Kenny Yiu Wing Fung
  • Roller skate
    Patent number: D397389
    Type: Grant
    Filed: January 8, 1997
    Date of Patent: August 25, 1998
    Assignee: Grace Artificial Jewellery Manufacturing Company Limited
    Inventor: Kenny Yiu Wing Fung