TREA

Michael Eckstein

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  • Backnang, DE
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Patents Grantslast 30 patents

  • Information Patent Grant

    Loudspeaker
    • Patent number D890719
    • Issue date Jul 21, 2020
    • D&B AUDIOTECHNIK GMBH & CO. KG
    • Michael Eckstein
    • D14 - Recording, communication, or information retrieval equipment
  • Information Patent Grant

    Loudspeaker
    • Patent number D881158
    • Issue date Apr 14, 2020
    • d&b Audiotechnik GmbH
    • Michael Eckstein
    • D14 - Recording, communication, or information retrieval equipment
  • Information Patent Grant

    Audio amplifier
    • Patent number D857646
    • Issue date Aug 27, 2019
    • D&B AUDIOTECHNIK GMBH
    • Michael Eckstein
    • D14 - Recording, communication, or information retrieval equipment