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Hans-Walter Bielefeld

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  • Bielefeld, DE
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Patents Grantslast 30 patents

  • Information Patent Grant

    Hollow plastic section
    • Patent number 6,920,726
    • Issue date Jul 26, 2005
    • Schüco International KG
    • Hans-Walter Bielefeld
    • E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS

Patents Applicationslast 30 patents

  • Information Patent Application

    FRAME FOR A FAÇADE, A FAÇADE ELEMENT, A WINDOW OR DOOR
    • Publication number 20210388665
    • Publication date Dec 16, 2021
    • SCHUCO INTERNATIONAL KG
    • Frank ZIMMERMANN
    • E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
  • Information Patent Application

    Hollow plastic section
    • Publication number 20020059759
    • Publication date May 23, 2002
    • Hans-Walter Bielefeld
    • E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS