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Alex DOBROCSI

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  • Wien, AT
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Patents Grantslast 30 patents

  • Information Patent Grant

    Plug earphone or a concha earphone
    • Patent number 9,456,269
    • Issue date Sep 27, 2016
    • AKG Acoustics GmbH
    • Michael Perkmann
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

  • Information Patent Application

    PLUG EARPHONE OR A CONCHA EARPHONE
    • Publication number 20140355810
    • Publication date Dec 4, 2014
    • AKG Acoustics GmbH
    • Michael PERKMANN
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE