U.S. federal trademark · Serial No. 73375969 · Reg. No. 1
ELECTRO-ACOUSTIC TRANSDUCERS, MICROPHONES [ AND PIEZO-ELECTRIC GAS IGNITORS; ] MEASURING, RECORDING AND TESTING INSTRUMENTS-NAMELY, SOUND OR NOISE LEVEL METERS, SOUND OR NOISE FREQUENCY ANALYSERS, SOUND OR NOISE LEVEL RECORDERS, SOUND SPECTROGRAPHS, [ AUDIOMETERS, ] [ AUDIOMETRIC TEST ROOMS, HEARING AID TESTERS, ] ACOUSTICALLY CALIBRATED SOUND SOURCE APPARATUSES, [ NYSTAGMOGRAPHS, ] VIBRATION METERS, MEASURING INSTRUMENTS RELATING TO ENGINES-NAMELY, [ TACHOMETERS AND KNOCKMETERS, ] VISCOSIMETERS, PARTICLE MEASURING AND COUNTING INSTRUMENTS, ACCELEROMETERS, ACCELERATION PICKUPS, FLUID FLOW VELOCITY/DIRECTION DETECTING AND MEASUIRNG INSTRUMENTS [ , STATIC FIELD MEASURING INSTRUMENTS EDUCATIONAL AND SPEECH THERAPY AUDIO TRAINING UNITS ]
[Hearing Aids, Electro-Palatographs]
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