Manfred Schulz

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Hammingen, DE

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Patents Grantslast 30 patents

Information Patent Grant
Private branch exchange having a central control unit and a mobile...
- Patent number 5,544,226
- Issue date Aug 6, 1996
- Alcatel N.V.
- Bernd Weis
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
System for establishing a connection between private branch exchanges
- Patent number 5,355,402
- Issue date Oct 11, 1994
- Alcatel N.V.
- Bernd Weis
- H04 - ELECTRIC COMMUNICATION TECHNIQUE