TREA

Hung Yan Ho

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  • Hong Kong, HK
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Patents Grantslast 30 patents

  • Information Patent Grant

    Loudspeaker
    • Patent number D680097
    • Issue date Apr 16, 2013
    • GP Acoustics International Limited
    • John Simon Davies
    • D14 - Recording, communication, or information retrieval equipment
  • Information Patent Grant

    Loudspeaker
    • Patent number D680099
    • Issue date Apr 16, 2013
    • GP Acoustics International Limited
    • John Simon Davies
    • D14 - Recording, communication, or information retrieval equipment
  • Information Patent Grant

    Loudspeaker
    • Patent number D680098
    • Issue date Apr 16, 2013
    • GP Acoustics International Limited
    • John Simon Davies
    • D14 - Recording, communication, or information retrieval equipment
  • Information Patent Grant

    Loudspeaker
    • Patent number D678246
    • Issue date Mar 19, 2013
    • GP Acoustics International Limited
    • John Simon Davies
    • D14 - Recording, communication, or information retrieval equipment