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Hugo A. J. Landheer

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  • Rotterdam, NL
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Patents Grantslast 30 patents

  • Information Patent Grant

    Sandwich panel for ceiling application
    • Patent number 5,001,883
    • Issue date Mar 26, 1991
    • Hunter Douglas International N.V.
    • Hugo A. J. Landheer
    • E04 - BUILDING
  • Information Patent Grant

    Sandwich wall system panel
    • Patent number 4,918,895
    • Issue date Apr 24, 1990
    • Hunter Douglas International N.V.
    • Hugo A. Landheer
    • E04 - BUILDING
  • Information Patent Grant

    Sandwich panel
    • Patent number 4,360,553
    • Issue date Nov 23, 1982
    • Hunter Douglas International N.V.
    • Hugo A. J. Landheer
    • E04 - BUILDING
  • Information Patent Grant

    Supporting system for panel assembly
    • Patent number 4,292,779
    • Issue date Oct 6, 1981
    • Hunter Douglas International N.V.
    • Hugo A. J. Landheer
    • E04 - BUILDING