Matthias Frank

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Borkheide, DE

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Patents Grantslast 30 patents

Information Patent Grant
Train radio telephone system using home location register (HLR)
- Patent number 5,937,350
- Issue date Aug 10, 1999
- Alcatel N.V.
- Matthias Frank
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Mobile radio system with time-division multiplexing
- Patent number 5,914,948
- Issue date Jun 22, 1999
- Alcatel N.V.
- Matthias Frank
- H04 - ELECTRIC COMMUNICATION TECHNIQUE