74450029
Oct 22, 1993
Dec 14, 1999
sound attenuation, insulation, drainage and reinforcement materials made of expanded polystyrene, fiberglass, polyurethane, polyiscocyanurate, extruded polystyrene, or beads or spheres of expanded polystryene for use in construction and building applications such as structure reinforcement, drainage liners, and impact shock cushioning
Toys and Sporting Goods