73210221
Apr 4, 1979
Jan 6, 1981
Active Trademark
MICROPHONES, MICROPHONE STANDS, MICROPHONE STAND CLAMPS AND MOUNTS, MICROPHONE TRANSFORMERS, MICROPHONE WINDSCREENS, MICROPHONE ATTENUATORS, MICROPHONE SWITCHES, MICROPHONE FILTERS, MICROPHONE POWER SUPPLIES, MICROPHONE CARRYING CASES, HEADPHONES, LOUDSPEAKERS, LOUDSPEAKER SYSTEMS, LOUDSPEAKER FOLDED HORN ENCLOSURES, LOUDSPEAKER NETWORKS, LOUDSPEAKER DRIVERS, TRANSFORMERS FOR USE WITH LOUDSPEAKERS, AMPLIFIERS (( AND PHONOGRAPH PICKUP CARTRIDGES ))
Electrical and Scientific Apparatus