73476231
Apr 19, 1984
Jun 10, 1986
ROOFING SYSTEMS CONSISTING OF ROOFING MEMBRANE IN SHEET FORM, ADHESIVE COMPOSITIONS FOR BONDING SAID MEMBRANE AND THINNERS USED WITH SAID ADHESIVE COMPOSITIONS, AND ALSO USED TO CLEAN MEMBRANE APPLICATION EQUIPMENT, ALL SOLD AS A ROOFING SYSTEM UNIT
Nonmetallic Building Materials