78221927
Mar 5, 2003
Mar 15, 2005
Air treatment devices to clean and purify the air, and air and water purification devices; separators for the cleaning and purification of gases used to increase the hygiene of gaseous mediums, namely, confined in buildings, offices, houses, industries, public places, transports, cars, trucks, planes, trains, boats and solid mediums, namely, medical tools, kitchen utensils by the destruction of microorganisms and filtration of particles; and air and water filters for industrial use
Environmental Control Apparatus