Inventor
HANNAH MARCIA G
US12 patents
Patents
12 patentsUS5181361AJan 26, 1993
Multi-layer shingle
CERTAIN TEED CORP158 citations99
US5209802AMay 11, 1993
Method of making a multi-layer shingle
CERTAIN TEED CORP130 citations98
US5421134AJun 6, 1995
Roofing shingle
CERTAIN TEED CORP95 citations97
USD388195SDec 23, 1997
Shingle
CERTAIN TEED CORP53 citations96
USD376660SDec 17, 1996
Shingle
CERTAIN TEED CORP60 citations96
USD375563SNov 12, 1996
Shingle
CERTAIN TEED CORP60 citations96
US5501056AMar 26, 1996
Process for roofing with an 18 inch shingle
CERTAIN TEED CORP74 citations96
USD366124SJan 9, 1996
Tab portion of a shingle
CERTAIN TEED CORP95 citations96
US5400558AMar 28, 1995
Roofing shingle square
CERTAIN TEED CORP48 citations96
US5375491ADec 27, 1994
Roofing shingle
CERTAIN TEED CORP59 citations96
US5287669AFeb 22, 1994
Roofing shingle
CERTAIN TEED CORP79 citations96
USD340294SOct 12, 1993
Design for a tab portion of a shingle
CERTAIN TEED CORP71 citations96