申请人 |
BRITISH TELECOMMUNICATIONS PUBLIC LIMITED COMPANY;FERRANTI CREDITPHONE LIMITED;GEC PLESSEY TELECOMMUNICATIONS LIMITED;MERCURY COMMUNICATIONS LIMITED;ORBITEL MOBILE COMMUNICATIONS LIMITED;SHAYE COMMUNICATIONS LIMITED;PHONEPOINT LIMITED;STC PLC. |
发明人 |
NIGEL EVERARD BARNES;BRIAN ALFRED BIDWELL;A. BUD (ANDREW);M. CRISP;MICHAEL T. DUDEK;R. GOODINGS;DAVID CRAWFORD ODHAMS;PETER NICHOLAS PROCTOR;IAN RODGERS |