75641076
Feb 16, 1999
May 20, 2003
Radio [ and television ] transmitters, antennas, and excites, broadcast studio-to-transmitter link equipment comprised of multiplexers and demultiplexers, devices for combining multiple audio signals, namely, audio mixers and digital encoders and decoders for use with radio [ and television ] signals, and parts therefor for all of the above aforesaid goods
Electrical and Scientific Apparatus