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Carl E. Kamphaus
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Pittsburgh, PA, US
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last 30 patents
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Patent Grant
Overlapping framing system for glazing elements
Patent number
5,546,713
Issue date
Aug 20, 1996
Extech/Exterior Technologies, Inc.
William P. Voegele
E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS