76431193
Jul 16, 2002
Sep 28, 2004
Automobile Air Purification System, consisting of a 3-stage filtration system-- (1) an electrostatic filter, (2) particle charger, and (3) carbon filter; The system removes smoke, pollen, dust, and exhaust fumes from the passenger compartment, filtering up to 500 cubic feet of air per minute
Environmental Control Apparatus