TREA

Burkhard Markmann

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  • Wedemark, DE
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Patents Grantslast 30 patents

  • 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

    Method for Producing Acoustic Damping Elements
    • Publication number 20170206882
    • Publication date Jul 20, 2017
    • SENNHEISER ELECTRONIC GMBH & CO. KG
    • Benjamin ROSS
    • B26 - HAND CUTTING TOOLS CUTTING SEVERING
  • 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