74676927
May 19, 1995
Sep 30, 1997
Active Trademark
staging system composed of portable acoustic upright wall panels comprised of wood panels, fiber honeycomb cores and metal frames, acoustic retractable ceiling panels comprised of wood panels, fiber honeycomb cores and metal frames, and an air transporter in the nature of a vacuum-powered, high-pressure transport dolly, sold as a unit
Nonmetallic Building Materials