TREA

Keith A. Ackermann

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  • Lawnton, AU
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Patents Grantslast 30 patents

  • Information Patent Grant

    Valve and system incorporating same
    • Patent number 4,492,219
    • Issue date Jan 8, 1985
    • Actrol Industries Pty. Ltd.
    • Marcus F. Schoenheimer
    • F24 - HEATING RANGES VENTILATING
  • Information Patent Grant

    Solar heater system and valve
    • Patent number 4,454,890
    • Issue date Jun 19, 1984
    • Actrol Industries Pty. Ltd.
    • Marcus F. Schoenheimer
    • F24 - HEATING RANGES VENTILATING