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Inflatable insulative covering
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Patent number 6,442,903
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Issue date Sep 3, 2002
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Thomas H. Hebert
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A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
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Light energy shutter system
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Patent number 6,000,170
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Issue date Dec 14, 1999
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Noel Davis
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A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
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Shading and heat insulating device
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Patent number 4,768,315
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Issue date Sep 6, 1988
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Kernforschungsanlage Juelich GmbH
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Friedrich W. Grimme
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E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
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Inflatable heat barrier
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Patent number 4,301,626
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Issue date Nov 24, 1981
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Effective Conservation Systems, Inc.
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Donald L. Davis
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E04 - BUILDING
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Insulating screen
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Patent number 4,095,639
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Issue date Jun 20, 1978
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Declan Francis Ryan
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E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS