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Louvered ventilation grille
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Patent number D638925
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Issue date May 31, 2011
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Venmar Ventilation Inc.
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Éric Charlebois
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D23 - Environmental heating and cooling
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Pressure equilizing system
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Patent number 7,565,924
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Issue date Jul 28, 2009
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Venmar Ventilation Inc.
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Martin Gagnon
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F24 - HEATING RANGES VENTILATING
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Adjustable damper assembly
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Patent number 7,533,691
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Issue date May 19, 2009
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Venmar Ventilation Inc.
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Daniel Marcoux
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F24 - HEATING RANGES VENTILATING
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Ventilation method and device
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Patent number 6,855,050
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Issue date Feb 15, 2005
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Venmar Ventilation Inc.
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Martin Gagnon
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F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...