IMPERMUR
ROOFING MATERIALS, NAMELY, ROOFING MATERIAL IN ROLL FORM COMPOSED OF A WATER IMPERVIOUS INSULATION LAYER OF A STRIP OF POLYETHYLENE SANDWICHED BETWEEN AN UPPER AND LOWER LAYER OF ASPHALT AND A BOTTOM STRIP COVERING THE SANDWICH OF POLYETHYLENE MATERIAL, SAID BOTTOM STRIP BEING MADE OF EITHER POLYETHYLENE OR ALUMINUM
Abandoned · September 26, 1986 · 73622466 ·
