Patents Assigned to Hangzhou China Arts Economic & Trading Corp. Ltd.
  • Patent number: D576415
    Type: Grant
    Filed: November 8, 2007
    Date of Patent: September 9, 2008
    Assignee: Hangzhou China Arts Economic & Trading Corp. Ltd.
    Inventor: Ren Li
  • Patent number: D581705
    Type: Grant
    Filed: November 8, 2007
    Date of Patent: December 2, 2008
    Assignee: HangZhou China Arts Economic & Trading Corp. Ltd.
    Inventor: Ren Li
  • Patent number: D621173
    Type: Grant
    Filed: September 16, 2009
    Date of Patent: August 10, 2010
    Assignee: Hangzhou China Arts Economic & Trading Corp. Ltd.
    Inventor: Ren Li
  • Patent number: D621641
    Type: Grant
    Filed: September 16, 2009
    Date of Patent: August 17, 2010
    Assignee: Hangzhou China Arts Economic & Trading Corp. Ltd.
    Inventor: Ren Li