GEC Plessy Telecommunications Limited

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Coventry, GB

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Patents Grantslast 30 patents

Information Patent Grant
Telecommunications transmission security arrangement
- Patent number 5,091,902
- Issue date Feb 25, 1992
- GEC Plessy Telecommunications Limited
- Geoffrey Chopping
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Public pay telephone stand with alternative payment means
- Patent number D304725
- Issue date Nov 21, 1989
- GEC Plessy Telecommunications Ltd.
- Martin S. Rose
- D14 - Recording, communication, or information retrieval equipment

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