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Roof ventilating apparatus
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Patent number 5,035,172
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Issue date Jul 30, 1991
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Alumax Inc.
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Richard L. Waggoner
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F24 - HEATING RANGES VENTILATING
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Roof ventilating apparatus
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Patent number 5,022,314
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Issue date Jun 11, 1991
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Alumax Inc.
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Richard L. Waggoner
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F24 - HEATING RANGES VENTILATING
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Roof ventilating apparatus
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Patent number 4,995,308
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Issue date Feb 26, 1991
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Alumax Inc.
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Richard L. Waggoner
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F24 - HEATING RANGES VENTILATING
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Reinforced siding panel
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Patent number 4,718,214
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Issue date Jan 12, 1988
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Alumax, Inc.
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Richard L. Waggoner
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E04 - BUILDING