Norbert Bartonitscheck

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  • Stolberg, DE

Patents Grantslast 30 patents

  • Information Patent Grant

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    • Patent number 4,164,107
    • Issue date Aug 14, 1979
    • Saint-Gobain Industries
    • Franz Kraemling
    • E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS