73634925
Dec 11, 1986
Apr 18, 1989
ELECTRONIC SOUND RECORDING AND REPRODUCING APPARATUS, NAMELY, DICTATION, TRANSCRIPTION, TELEPHONE ANSWERING, TELEPHONE PLAYBACK UNITS, AND INTELLIGENT INFORMATION COMMUNICATIONS UNITS, NAMELY, TELEPHONE TRANSCEIVERS, AND COMPUTER-CONTROLLED NETWORK UNITS FEATURING TELEPHONE TRANSCEIVERS, COMPUTERS AND COMPUTER PROGRAMS FOR USE IN THE CONTROL OF THE NETWORK UNITS
Electrical and Scientific Apparatus