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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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Ventilation system
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Patent number 7,458,228
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Issue date Dec 2, 2008
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Venmar Ventilation Inc.
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Frederic Lagace
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F24 - HEATING RANGES VENTILATING
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Ventilation system
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Patent number 7,073,566
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Issue date Jul 11, 2006
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Venmar Ventilation Inc.
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Frederic Lagace
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F24 - HEATING RANGES VENTILATING
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Ventilation system
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Patent number 6,889,750
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Issue date May 10, 2005
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Venmar Ventilation Inc.
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Frederic Lagace
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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...
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Ventilation system
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Patent number 6,209,622
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Issue date Apr 3, 2001
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Venmar Ventilation Inc.
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Frederic Lagace
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F24 - HEATING RANGES VENTILATING
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Ventilator housing
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Patent number D366522
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Issue date Jan 23, 1996
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Venmar Ventilation Inc.
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Frederic Lagace
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D23 - Environmental heating and cooling
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Ventilator housing
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Patent number D340109
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Issue date Oct 5, 1993
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Venmar Ventilation Inc.
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Michel Julien
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D23 - Environmental heating and cooling