73472670
Mar 28, 1984
Mar 11, 1986
RADIO PAGING SYSTEMS COMPRISED IN WHOLE OR IN PART OF TRANSMITTERS, RECEIVERS, ANTENNAS, AMPLIFIERS, ENCODERS, DECODERS, PAGING COUPLERS, RADIO PROCESORS, CALL TRANSFER UNITS, ALARM TERMINALS AND PROCESSORS, MFV CONVERTERS, DIGITAL CALL TRANSLATORS, SYSTEMS PROCESSORS, COMPUTER INTERFACE, AND STORAGE AND EXTENSION RACKS DESIGNED FOR USE THEREWITH
Electrical and Scientific Apparatus