TURBOFAN CONVECTION OVEN SYSTEMS

[ Domestic and ]commercial cooking appliances incorporating fans, namely, oven and microwave ranges with ventilating fans, manual electric convection ovens with ventilating fans, digital electric convection ovens with ventilating fans, digital gas convection ovens with ventilating fans, electric prover/holding cabinets with ventilating fans, convection oven cook tops with ventilating fans, and replacement parts therefor