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Enclosure assembly
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Patent number 4,725,000
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Issue date Feb 16, 1988
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Edward W. Deziel
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E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
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Enclosure assembly
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Patent number 4,524,814
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Issue date Jun 25, 1985
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Edward W. Deziel
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E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS