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Retractable window covering
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Patent number 5,855,235
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Issue date Jan 5, 1999
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Hunter Douglas Inc.
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Wendell B. Colson
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E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
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Connector for pull cords
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Patent number 5,735,329
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Issue date Apr 7, 1998
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Hunter Douglas Inc.
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Terry L. Akins
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E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
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Cord equalizer
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Patent number 4,967,824
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Issue date Nov 6, 1990
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Hunter Douglas, Inc.
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Wendell B. Colson
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E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
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Cord lock for window shades
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Patent number 4,913,210
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Issue date Apr 3, 1990
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Hunter Douglas Inc.
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Wendell B. Colson
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E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS