75275458
Apr 16, 1997
Sep 1, 1998
hot air, cooking, roasting, and baking systems for commercial cooking of food consisting of ovens, exhaust hoods, connecting duct work for exhaust hoods, and electronic controls, all sold as a unit; smoke generators for commercial smoking of foods; intensive cooling systems for commercial refrigeration and freezing of foods consisting of refrigerators, freezers, water chillers, compressors, and electronic controls, all sold as a unit; commercial air conditioning systems for cooling of food warehouses consisting of air conditioners, water chillers, compressors, and electronic controls, all sold as a unit; and exhaust purification systems for use in the commercial food industry to reduce air pollution consisting of fans, exhaust hoods, oil boilers, steam boilers, water and air heat exchangers, and connecting piping, all sold as a unit
Environmental Control Apparatus