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Insulation means and method
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Patent number 4,324,834
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Issue date Apr 13, 1982
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NRG Research Laboratories, Inc.
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Edward J. Page
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B32 - LAYERED PRODUCTS
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Storm window
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Patent number 4,223,481
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Issue date Sep 23, 1980
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Edward J. Page
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E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS