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Heat exchanger
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Patent number 5,113,844
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Issue date May 19, 1992
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Vulcan Australia Limited
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Robert W. Cook
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F24 - HEATING RANGES VENTILATING
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Solar tracking system
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Patent number 4,821,705
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Issue date Apr 18, 1989
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Vulcan Australia Limited
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John M. Trihey
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F24 - HEATING RANGES VENTILATING
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Solar tracking system
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Patent number 4,807,592
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Issue date Feb 28, 1989
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Vulcan Australia Limited
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John M. Trihey
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F24 - HEATING RANGES VENTILATING
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Water heater
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Patent number 4,750,452
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Issue date Jun 14, 1988
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Vulcan Australia Limited
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John M. Trihey
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F24 - HEATING RANGES VENTILATING
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Reflective trough structure
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Patent number 4,390,241
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Issue date Jun 28, 1983
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Vulcan Australia Limited
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John M. Trihey
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F24 - HEATING RANGES VENTILATING
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-
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Solar tracking device
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Patent number 4,304,221
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Issue date Dec 8, 1981
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Vulcan Australia Limited
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John M. Trihey
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F24 - HEATING RANGES VENTILATING