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Sound proof membrane
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Patent number 8,590,670
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Issue date Nov 26, 2013
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Polyglass S.p.A.
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Louis L. Grube
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E04 - BUILDING
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Roofing membrane
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Patent number 6,583,202
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Issue date Jun 24, 2003
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Building Materials Investment Corporation
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Louis Lynn Grube
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C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
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Flame retardant bitumen
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Patent number 5,110,674
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Issue date May 5, 1992
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GAF Building Materials Corporation
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Louis L. Grube
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C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
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Flame retardant bitumen
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Patent number 5,055,135
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Issue date Oct 8, 1991
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GAF Building Materials Corporation
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Louis L. Grube
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C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
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Asphaltic flashing stick
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Patent number 4,923,712
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Issue date May 8, 1990
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GAF Building Materials Corporation
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Jason Gladfelter
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E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
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Polyisocyanurate foam
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Patent number 4,444,917
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Issue date Apr 24, 1984
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GAF Corporation
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Louis L. Grube
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C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
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Rigid polyisocyanurate foam
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Patent number 4,444,915
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Issue date Apr 24, 1984
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GAF Corporation
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Louis L. Grube
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C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
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