74504081
Mar 23, 1994
agricultural and environmental water and air irrigation control equipment for applying water, air, ice, snow, pesticides, insecticides, fertilizers and chemicals around plants, animals and ground surfaces, and accessories and attachments therefor, namely, sprinklers, drop emitters, mist emitters, drip valves, control valves, shutoff valves, and watering filter units for residential, agricultural and commercial use
Environmental Control Apparatus