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Christian Bertl

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  • Bad Gleichenberg, AT
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Patents Applicationslast 30 patents

  • Information Patent Application

    COMPOSITE MATERIAL FOR PRODUCING AN ACOUSTIC MEMBRANE
    • Publication number 20210281962
    • Publication date Sep 9, 2021
    • ISOVOLTA AG
    • Christian Zechner
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Application

    ACOUSTIC MEMBRANE
    • Publication number 20190098423
    • Publication date Mar 28, 2019
    • ISOVOLTA AG
    • Christian Zechner
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE