Patents by Inventor Justin James Ng

Justin James Ng has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Mop organizer
    Patent number: D456656
    Type: Grant
    Filed: December 6, 2000
    Date of Patent: May 7, 2002
    Assignee: Sponge-King Corporation Limited
    Inventor: Justin James Ng
  • 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: D461029
    Type: Grant
    Filed: November 9, 2000
    Date of Patent: July 30, 2002
    Assignee: Sponge-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