TREA

Francis Defendini

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  • Andenne, BE
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Patents Grantslast 30 patents

  • Information Patent Grant

    Electrochromic pane
    • Patent number 5,793,518
    • Issue date Aug 11, 1998
    • Saint-Gobain Vitrage International
    • Christine Lefrou
    • B32 - LAYERED PRODUCTS
  • Information Patent Grant

    Electrochromic pane
    • Patent number 5,663,829
    • Issue date Sep 2, 1997
    • Saint-Gobain Vitrage International
    • Christine Lefrou
    • B32 - LAYERED PRODUCTS