73264333
Jun 2, 1980
Apr 24, 1984
Demountable Wall Systems and Parts Therefor-Comprising Some or All of the Following: Panels, Panel Connectors, Ceiling Trim, Slotted Standards, Bases, Corners, Door Frames and Doors, Gaskets, Studs, Clips, Splines, and Insulation and Coating Materials, Sold as a Unit
Nonmetallic Building Materials