75528926
Jul 31, 1998
Jun 27, 2000
AIR FILTERS FOR HEATING, VENTILATION AND AIR CONDITIONING HVAC SYSTEMS FOR RESIDENTIAL, COMMERCIAL AND INDUSTRIAL USE, NAMELY, DISPOSABLE AIR FILTERS, DISPOSABLE PANEL AIR FILTERS, WASHABLE FILTER MEDIA, MEDIA PADS AND PAD HOLDING FRAMES, MEDIA ROLLS AND AUTOMATIC ROLL FILTERS, PLEATED FILTERS, EXTENDED SURFACE PLEATED FILTERS, 3-PLY POLYESTER PANEL, LINK AND CUBE FILTERS, POCKET FILTERS, RIGID CELL FILTERS, ASHRAE CARTRIDGE FILTERS, V-BANK MINI-PLEAT FILTERS, HEPA FILTERS, HEAT SEAL PRODUCTS, PAINT BOOTH FILTERS, HIGH EFFICIENCY MINI-PLEAT FILTERS, DISPOSABLE GAS PHASE CARBON FILTER PRODUCTS, GAS PHASE FILTERS, MESH AND BAFFLE FILTERS; AND AIR FILTERS FOR ENVIRONMENTAL SYSTEMS FOR CONTROLLING TEMPERATURE, HUMIDITY, AIR QUALITY, AIR PRESSURE AND AIR CIRCULATION IN BUILDINGS AND DUCTS
Environmental Control Apparatus