TREA

Christopher James Matthews

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  • Rozelle, AU
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Patents Grantslast 30 patents

  • Information Patent Grant

    Ventilation device and frame system
    • Patent number 8,641,494
    • Issue date Feb 4, 2014
    • Silenceair International Pty Limited
    • Christopher James Matthews
    • F24 - HEATING RANGES VENTILATING