79051952
Feb 27, 2008
Jun 23, 2009
Air cooling and ventilation apparatus; system for air distribution, heating, and refrigeration composed primarily of ducts made of fabric through which temperature-conditioned air is delivered
Environmental Control ApparatusNon-metal ducts, namely, fabric ducts for use in air distribution, ventilation, cooling, heating, and refrigeration
Nonmetallic Building MaterialsTextiles, namely, curtains and textiles for use in ventilation systems, including ventilation ducts
Fabrics