73269386
Jul 8, 1980
Feb 16, 1982
Ceiling Systems and Parts Therefor Comprising Some or All of the Following: Accoustical Panels, Dry Wall Panels, Vinyl-Covered Ceiling Panels, Rubbers, Support Tees, Hangers, Splines, Clips, Support Members, Moldings, Lighting Fixtures, and Insulation and Coating Materials, Sold as a Unit
Nonmetallic Building Materials