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Dirk Hackbarth

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  • Hannover, DE
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Patents Grantslast 30 patents

  • Information Patent Grant

    Microphone
    • Patent number 9,319,761
    • Issue date Apr 19, 2016
    • Sennheiser electronic GmbH & Co. KG
    • Bernd Wiederholt
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Dynamic sound transducer and receiver
    • Patent number 8,731,231
    • Issue date May 20, 2014
    • Sennheiser electronic GmbH & Co. KG
    • Till Teske-Fischer
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

  • Information Patent Application

    MICROPHONE
    • Publication number 20140153739
    • Publication date Jun 5, 2014
    • Bernd Wiederholt
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    Earpiece
    • Publication number 20110031060
    • Publication date Feb 10, 2011
    • Sennheiser electronic GmbH & Co., KG
    • Heinz Epping
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    DYNAMIC SOUND TRANSDUCER AND RECEIVER
    • Publication number 20100183173
    • Publication date Jul 22, 2010
    • Sennheiser Electronic GmbH & KG
    • Till Teske-Fischer
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    MICROPHONE AND MICROPHONE HEAD
    • Publication number 20100166244
    • Publication date Jul 1, 2010
    • SENNHEISER ELECTRONIC GMBH & CO. KG
    • Dirk Hackbarth
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE