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Air duct with airtight seal
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Patent number 7,342,786
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Issue date Mar 11, 2008
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Hewlett-Packard Development Company, L.P.
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Christopher G. Malone
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H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
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Airflow flapper valve
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Patent number 6,705,833
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Issue date Mar 16, 2004
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Hewlett-Packard Development Company, L.P.
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Victoria Tsang Tam
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F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
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Blower impeller apparatus with pivotable blades
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Patent number 6,547,519
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Issue date Apr 15, 2003
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Hewlett-Packard Development Company, L.P.
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James J. deBlanc
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F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
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