Patents Assigned to Tung Hsin Trading Corp.
  • Side-opening case
    Patent number: D521730
    Type: Grant
    Filed: December 3, 2004
    Date of Patent: May 30, 2006
    Assignee: Tung Hsin Trading Corp.
    Inventor: Hau Yung Lang
  • Bench top organizer
    Patent number: D608114
    Type: Grant
    Filed: January 11, 2008
    Date of Patent: January 19, 2010
    Assignee: Tung Hsin Trading Corp.
    Inventor: Hau Yung Lang