U.S. federal trademark · Serial No. 71194917 · Reg. No. 0192285
STANDARDS OF RESISTANCE, INDUCTANCE, AND CAPITANCE FOR MEASURING PURPOSES, DECADE BRIDGES, SLIDE-WIRE BRIDGES, CAPACITY BRIDGES AND METERS, HOT-WIRE METERS, WAVE METERS, AUDIBILITY METERS, SPECIAL MEASURING INSTRUMENTS FOR MAKING MEASUREMENTS AT AUDIO AND RADIO FREQUENCIES, ELECTRICAL COMPENSATORS FOR SUBMARINE DETECTION AND DEPTH SOUND RANGING, AND D'ARSONVAL METERS
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