Patents Assigned to Shenyang Yuanda Aluminium Industry Engineering Co., Ltd.
  • Main mullion for curtain wall connection
    Patent number: D666309
    Type: Grant
    Filed: December 16, 2011
    Date of Patent: August 28, 2012
    Assignee: Shenyang Yuanda Aluminium Industry Engineering Co., Ltd.
    Inventor: Yu Zhao
  • Assisting mullion for curtain wall connection
    Patent number: D666310
    Type: Grant
    Filed: December 16, 2011
    Date of Patent: August 28, 2012
    Assignee: Shenyang Yuanda Aluminium Industry Engineering Co., Ltd.
    Inventor: Yu Zhao
  • Upper transom of curtain wall
    Patent number: D666311
    Type: Grant
    Filed: December 16, 2011
    Date of Patent: August 28, 2012
    Assignee: Shenyang Yuanda Aluminium Industry Engineering Co., Ltd.
    Inventor: Yu Zhao
  • Lower transom of curtain wall
    Patent number: D666312
    Type: Grant
    Filed: December 16, 2011
    Date of Patent: August 28, 2012
    Assignee: Shenyang Yuanda Aluminium Industry Engineering Co., Ltd.
    Inventor: Yu Zhao