74389914
May 11, 1993
Nov 7, 1995
non-metal building materials; namely, parquet flooring, noise protector walls, window frames, doors, door frames, pillars, fence posts, roof tiles, gratings, floor moldings, bannisters, stair rails, door, floor, and wall panels formed of composite sheets of a core layer with outer layers, and siding panels for covering external house walls
Nonmetallic Building Materials