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Laminated shingle
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Patent number 6,044,608
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Issue date Apr 4, 2000
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CertainTeed Corporation
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Kermit E. Stahl
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E04 - BUILDING
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Shingle
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Patent number D388195
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Issue date Dec 23, 1997
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CertainTeed Corporation
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Marcia G. Hannah
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D25 - Building units and construction elements
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Shingle
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Patent number D376660
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Issue date Dec 17, 1996
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CertainTeed Corporation
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Marcia G. Hannah
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D25 - Building units and construction elements
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Method of making hip or ridge shingle
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Patent number 5,575,876
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Issue date Nov 19, 1996
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CertainTeed Corporation
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Michael J. Noone
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D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...
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Shingle
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Patent number D375563
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Issue date Nov 12, 1996
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CertainTeed Corporation
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Marcia G. Hannah
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D25 - Building units and construction elements
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Below-headlap portion of a tile
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Patent number D368782
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Issue date Apr 9, 1996
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CertainTeed Corporation
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Michael J. Noone
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D25 - Building units and construction elements
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Two element shingle
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Patent number 5,488,807
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Issue date Feb 6, 1996
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CertainTeed Corporation
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Louis A. Terrenzio
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E04 - BUILDING
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Shingle array
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Patent number D366336
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Issue date Jan 16, 1996
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CertainTeed Corporation
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Michael J. Noone
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D25 - Building units and construction elements