-
Flame retardant bitumen
-
Patent number 5,110,674
-
Issue date May 5, 1992
-
GAF Building Materials Corporation
-
Louis L. Grube
-
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
-
Flame retardant bitumen
-
Patent number 5,055,135
-
Issue date Oct 8, 1991
-
GAF Building Materials Corporation
-
Louis L. Grube
-
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
-
Roofing shingle
-
Patent number 4,825,616
-
Issue date May 2, 1989
-
GAF Corporation
-
Alfredo A. Bondoc
-
E04 - BUILDING
-
-
Asphalt shingle
-
Patent number 4,717,614
-
Issue date Jan 5, 1988
-
GAF Corporation
-
Alfredo A. Bondoc
-
E04 - BUILDING