88772621
Jan 24, 2020
Nov 16, 2021
Active Trademark
heat recovery units, namely, heat recovery ventilators; heat recovery systems composed of heat recovery ventilators and air impellers for ventilation; heat recovery ventilation units; heat recovery units in the nature of heat recovery ventilating fans and ventilating hoods for use in the field of horticulture and livestock facilities for turkey, rabbits, goats, poultry, swine and dairy operations; heat recovery units in the nature of heat recovery ventilating fans for use in the field of horticulture and livestock facilities; air heat recovery apparatus; ventilation apparatus, namely, ventilation hoods and fans; air impellers for ventilation
Environmental Control Apparatus