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Window insulation
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Patent number 4,180,942
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Issue date Jan 1, 1980
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Ernest Saucier
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E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
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Window insulating apparatus
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Patent number 4,083,148
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Issue date Apr 11, 1978
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Ernest R. Saucier
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E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS