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Glass block array assembly
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Patent number 7,621,086
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Issue date Nov 24, 2009
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Extech/Exterior Technologies, Inc.
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William P. Voegele, Jr.
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E04 - BUILDING
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Glass block assembly
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Patent number 7,373,763
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Issue date May 20, 2008
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Extech/Exterior Technologies, Inc.
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William P. Voegele, Jr.
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E04 - BUILDING
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