74239375
Jan 22, 1992
Nov 2, 1993
Active Trademark
chemical preparations in the nature of filtering materials and chemical media to assist in the filtration of gases and odors for commercial and industrial uses
Chemicalssystems for ventilation, industrial air treatment, air filtration, and air pollution control comprising drive motors, fans, modules, exhaust manifolds, compressors, duct heaters, compressor intake filters, gas phase filters, odor filter media, odor oxidants, and chemisorbant media, sold as a unit, for commercial and industrial applications, not for use in vehicles; separators for the cleaning and purification of air, air filters for industrial installations, and air purifying units for industrial use, not for use in vehicles
Environmental Control Apparatus