TREA

Francesco Spagnolo

Follow

Person

  • Neu-Anspach, DE
People

Patents Grantslast 30 patents

  • Information Patent Grant

    Speaker
    • Patent number D847785
    • Issue date May 7, 2019
    • ADAM HALL GMBH
    • Alexander Pietschmann
    • D14 - Recording, communication, or information retrieval equipment
  • Information Patent Grant

    Loudspeaker
    • Patent number D813838
    • Issue date Mar 27, 2018
    • ADAM HALL GMBH
    • Alexander Pietschmann
    • D14 - Recording, communication, or information retrieval equipment
  • Information Patent Grant

    Speaker system
    • Patent number D803809
    • Issue date Nov 28, 2017
    • ADAM HALL GMBH
    • Alexander Pietschmann
    • D14 - Recording, communication, or information retrieval equipment
  • Information Patent Grant

    Loudspeaker
    • Patent number D776638
    • Issue date Jan 17, 2017
    • ADAM HALL GMBH
    • Alexander Pietschmann
    • D14 - Recording, communication, or information retrieval equipment