U.S. federal trademark · Serial No. 74268129 · Reg. No. 1748260
electrical and electronic apparatus and components therefor; namely, apparatus and parts for monitoring and controlling levels of liquids, semi-liquids and fluid-like solid materials; namely, probes, probe holders, magnetic float assemblies, and level transmittres utilizing radio frequency capacitance sensors; resistance sensing amplifiers in level control systems having a resistance sensing element connected between a sensing terminal and ground, used to control level of a variety of foaming and non-foaming liquids; pump-up and pump-down alternator controls for filling and emptying tanks in systems having a plurality of pumps; timeers and time delay apparatus; and programmable sequence controls and timers
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