Patents Assigned to Spong-King Corporation Limited
  • Duster
    Patent number: D461028
    Type: Grant
    Filed: November 9, 2000
    Date of Patent: July 30, 2002
    Assignee: Spong-King Corporation Limited
    Inventor: Justin James Ng
  • Duster
    Patent number: D464181
    Type: Grant
    Filed: November 9, 2000
    Date of Patent: October 8, 2002
    Assignee: Spong-King Corporation Limited
    Inventor: Justin James Ng