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Snap-in glass block system
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Patent number 8,915,034
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Issue date Dec 23, 2014
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Extech/Exterior Technologies, Inc.
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Kevin P. Smith
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E04 - BUILDING
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Snap-in glass block system
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Patent number 8,683,764
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Issue date Apr 1, 2014
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Extech/Exterior Technologies, Inc.
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Kevin P. Smith
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E04 - BUILDING
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Large-area skylight system
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Patent number 8,448,393
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Issue date May 28, 2013
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Extech/Exterior Technologies, Inc.
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William P. Voegele
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E04 - BUILDING
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