TREA

Roger Shan Chung Hsin

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  • North Wales, PA, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Precast concrete plates
    • Patent number 6,379,601
    • Issue date Apr 30, 2002
    • Rohm and Haas Company
    • Michael Damian Bowe
    • C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
  • Information Patent Grant

    Precast concrete plates
    • Patent number 6,311,448
    • Issue date Nov 6, 2001
    • Rohm and Haas Company
    • Michael Damian Bowe
    • C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES

Patents Applicationslast 30 patents