TREA

John Baulkwill

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  • London, GB
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Patents Grantslast 30 patents

  • Information Patent Grant

    Loudspeaker
    • Patent number D639777
    • Issue date Jun 14, 2011
    • Wave Science Limited
    • John Baulkwill
    • D14 - Recording, communication, or information retrieval equipment
  • Information Patent Grant

    Loudspeaker
    • Patent number D639778
    • Issue date Jun 14, 2011
    • Wave Science Limited
    • Amanda Seymour
    • D14 - Recording, communication, or information retrieval equipment