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Ritske Johannes van Leeuwen

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  • Delft, NL
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Patents Applicationslast 30 patents

  • Information Patent Application

    A Light Regulating System and Operating Method Therefor
    • Publication number 20200248503
    • Publication date Aug 6, 2020
    • Kindow B.V.
    • Sam KIN
    • E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
  • Information Patent Application

    Flange-shaped fitting frame
    • Publication number 20020129554
    • Publication date Sep 19, 2002
    • Bruynzeel Plastics B.V.
    • Ritske Johannes van Leeuwen
    • E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS