U.S. federal trademark · Serial No. 72196980 · Reg. No. 0791368
ELECTRICAL AND ELECTRONIC INSTRUMENTS AND CONTROL SYSTEMS-NAMELY, PHASE ANGLE VOLTMETERS USEFUL TO MEASURE BOTH MAGNITUDE AND PHASE ANGLE OF SIGNAL COMPONENTS; [ RATIO BOXES USEFUL FOR DIRECT READINGS OF NULLS, PHASE ANGLE SHIFTS AND QUADRATURE VOLTAGES; [ INSTRUMENT SERVOS USEFUL FOR MEASUREMENT, REMOTE DISPLAY OF DATA CONVERSION, CONTROL AND COMPUTATION; A;C;D;C; CONVERTERS USEFUL FOR MEASURING TOTAL SIGNAL, QUADRATURE, IN-PHASE AND FUNDAMENTAL COMPONENTS; RESOLVERS AND SYNCHRO BRIDGES, [ SWITCHES AND MODULAR HOUSINGS ]
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