77779241
Jul 13, 2009
Dec 21, 2010
Liquid level sensors and level gauges and computer software for communicating with and collecting data from these sensors and gauges; ultrasonic electronic sensors and pressure sensors for measuring the levels of liquids and solids in storage tanks
Electrical and Scientific ApparatusTransmission, reception, and processing of coded and emergency alarm and event signals from level sensors and gauges through cellular networks to monitoring stations and Internet web portals
Telecommunications