Inventor
MAJOR DALE P
US4 patents
Patents
4 patentsUS4869942ASep 26, 1989
Trilaminated roofing shingle
CELOTEX CORP90 citations92
US5052162AOct 1, 1991
Roofing shingle
CELOTEX CORP91 citations90
US4729814AMar 8, 1988
Apparatus for making an offset laminated roofing shingle
CELOTEX CORP43 citations89
US4775440AOct 4, 1988
Method of making an offset laminated roofing shingle
CELOTEX CORP20 citations70