TREA

Steffi Beier

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  • Hagenburg, DE
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Patents Grantslast 30 patents

  • Information Patent Grant

    Earphone, headset and ear pad
    • Patent number 8,638,969
    • Issue date Jan 28, 2014
    • Sennheiser electronic GmbH & Co. KG
    • Jan Peter Kuhtz
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Headset and headset cable
    • Patent number 8,133,073
    • Issue date Mar 13, 2012
    • Sennheiser Electronic GmbH & Co., KG
    • Jorg Buchberger
    • H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

  • Information Patent Application

    HEADSET AND HEADSET CABLE
    • Publication number 20110086550
    • Publication date Apr 14, 2011
    • SENNHEISER ELECTRONIC GMBH & CO. KG
    • Jorg Buchberger
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    EARPHONE, HEADSET AND EAR PAD
    • Publication number 20100158301
    • Publication date Jun 24, 2010
    • SENNHEISER ELECTRONIC GMBH & CO. KG
    • Jan Peter Kuhtz
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE