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Herbert R. Hillery
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Mystic, CT, US
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last 30 patents
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Patent Grant
Rooftop access system
Patent number
5,473,842
Issue date
Dec 12, 1995
Hillery Realty Company, Inc.
Herbert R. Hillery
E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS