U.S. federal trademark · Serial No. 71537382 · Reg. No. 0539499
ELECTRICAL MEASURING INSTRUMENTS-NAMELY, PORTABLE INSTRUMENTS, RECORDING INSTRUMENTS, SWITCHBOARD INSTRUMENTS, MINIATURE PANEL INSTRUMENTS, DETACHABLE INSTRUMENTS, AND OSCILLOGRAPHS, ALL USED FOR ELECTRICAL MEASUREMENTS, SUCH AS VOLTAGE, CURRENT, WATTS, REACTIVE WATTS, FREQUENCY, PHASE ANGLE, POWER FACTOR, AND SYNCHRONISM
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