Inventor

JENNUS ROBERT E

US3 patents

Patents

3 patents

US4869942ASep 26, 1989

Trilaminated roofing shingle

CELOTEX CORP90 citations92

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