87374379
Mar 16, 2017
Electric fans; Air curtains, namely, cold and hot air blowers for room openings; Air blades; Air knife dryers; Air doors in the nature of high-powered electric air blowers for commercial use; Environmental control apparatus, namely, air curtains in the nature of cold and hot air blowers for promoting energy conservation, flying insect control, and efficiently separating rooms with two different temperatures
Environmental Control Apparatus