U.S. federal trademark · Serial No. 73133062 · Reg. No. 1106563
IMPACT LINE PRINTERS, PULSE RATE INTEGRATORS, FREQUENCY METERS, FREQUENCY DEVIATION METERS, FREQUENCY-TODIRECT-CURRENT CONVERTERS, DIGITAL FREQUENCY GENERATORS, VOLTAGE AND FREQUENCY LIMIT DETECTORS, DIGITAL COUNTERS, TRANSDUCER SIGNAL CONDITIONING EQUIPMENT, COUNTER TIMERS, DIGITAL VOLTMETERS, DIRECT CURRENT TO FREQUENCY CONVERTERS
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