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Wolfgang Mann

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  • Isernhagen, DE
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Patents Grantslast 30 patents

  • Information Patent Grant

    Interchangeable accumulator unit
    • Patent number 8,264,199
    • Issue date Sep 11, 2012
    • Sennheiser electronic GmbH & Co. KG
    • Jorg Andres
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Headphones
    • Patent number 7,639,832
    • Issue date Dec 29, 2009
    • Sennheiser electronic GmbH & Co. KG
    • Wolfgang Mann
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Amplitude stabilized oscillator circuit
    • Patent number 5,801,592
    • Issue date Sep 1, 1998
    • Sennheiser electronic GmbH & Co. KG
    • Wolfgang Mann
    • H03 - BASIC ELECTRONIC CIRCUITRY

Patents Applicationslast 30 patents

  • Information Patent Application

    Interchangeable Accumulator Unit
    • Publication number 20090200990
    • Publication date Aug 13, 2009
    • Jorg Andres
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    Headphones
    • Publication number 20080049963
    • Publication date Feb 28, 2008
    • SENNHEISER ELECTRONIC GMBH & CO. KG
    • Wolfgang Mann
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE