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Russell H. Henk
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Millersville, PA, US
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last 30 patents
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Patent Grant
Roof system and panel therefor
Patent number
5,881,501
Issue date
Mar 16, 1999
Fabrel, Inc.
Kenneth J. Guffey
E04 - BUILDING
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Patent Grant
Building panel assembly
Patent number
5,295,338
Issue date
Mar 22, 1994
Alcan Aluminum Corporation
Kenneth J. Guffey
E04 - BUILDING