Inventor

CARROLL WILLIAM R

25 patents

⚠️ This page may combine multiple inventors who share the name “CARROLL WILLIAM R”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

BUILDING MAT CORPORATION OF AMERICA

14 patents

USD406361SMar 2, 1999

Shingle

BUILDING MAT CORPORATION OF AMERICA59 citations96

USD426002SMay 30, 2000

Front of a roof shingle

BUILDING MAT CORPORATION OF AMERICA44 citations92

USD406665SMar 9, 1999

Roof covering

BUILDING MAT CORPORATION OF AMERICA26 citations92

USD403087SDec 22, 1998

Laminated roofing shingle

BUILDING MAT CORPORATION OF AMERICA17 citations92

USD400981SNov 10, 1998

Front of a roof shingle

BUILDING MAT CORPORATION OF AMERICA44 citations92

USD400268SOct 27, 1998

Folded hip and ridge roofing shingle

BUILDING MAT CORPORATION OF AMERICA19 citations92

USD383223SSep 2, 1997

Foldable hip and ridge roofing shingle

BUILDING MAT CORPORATION OF AMERICA20 citations92

USD406362SMar 2, 1999

Section of tabbed, laminated roofing shingle

BUILDING MAT CORPORATION OF AMERICA10 citations74

USD401362SNov 17, 1998

Composite roofing shingle

BUILDING MAT CORPORATION OF AMERICA14 citations74

USD400982SNov 10, 1998

Front of a roof shingle group

BUILDING MAT CORPORATION OF AMERICA8 citations74

USD400983SNov 10, 1998

Front of a roof shingle group

BUILDING MAT CORPORATION OF AMERICA9 citations74

USD397232SAug 18, 1998

Combined tabbed roofing and siding shingle

BUILDING MAT CORPORATION OF AMERICA7 citations74

USD403088SDec 22, 1998

Laminated roofing shingle

BUILDING MAT CORPORATION OF AMERICA2 citations63

USD401363SNov 17, 1998

Laminated roofing shingle

BUILDING MAT CORPORATION OF AMERICA2 citations63

GAF BUILDING MATERIALS

6 patents

US6190754B1Feb 20, 2001

Variegated shingle and method of manufacture

GAF BUILDING MATERIALS88 citations98

US5860263AJan 19, 1999

Thickened reinforced roofing shingle

GAF BUILDING MATERIALS104 citations98

US6105329AAug 22, 2000

Trilaminate roofing shingle

GAF BUILDING MATERIALS70 citations96

US5939169AAug 17, 1999

Composite roofing and siding shingle

GAF BUILDING MATERIALS73 citations96

USD452917SJan 8, 2002

Roofing shingle

GAF BUILDING MATERIALS25 citations92

US6058670AMay 9, 2000

Laminated roofing and siding shingle

GAF BUILDING MATERIALS49 citations92

CARROLL WILLIAM R

3 patents

US5209052AMay 11, 1993

Cutting and mulching blade assembly

CARROLL WILLIAM R64 citations95

US4508149AApr 2, 1985

Log conveying apparatus

CARROLL WILLIAM R8 citations72

US4527073AJul 2, 1985

Shielded electrical cable system

CARROLL WILLIAM R1 citations51

BUILDING MATERIALS INVEST CORP

1 patent

US6361851B1Mar 26, 2002

Composite roofing shingle

BUILDING MATERIALS INVEST CORP84 citations98

GAF CORP

1 patent

US4835929AJun 6, 1989

Laminated roofing hip

GAF CORP63 citations93