Norbert Fritsche

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Munich, DE

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Patents Grantslast 30 patents

Information Patent Grant
Method and arrangement for resolving performance feature interactio...
- Patent number 6,141,407
- Issue date Oct 31, 2000
- Siemens Aktiengesellschaft
- Norbert Fritsche
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Communication switching system with performance characteristics sys...
- Patent number 5,883,952
- Issue date Mar 16, 1999
- Siemens Aktiengesellschaft
- Norbert Fritsche
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Communication switching system having a user facility system and a...
- Patent number 5,793,761
- Issue date Aug 11, 1998
- Siemens Aktiengesellschaft
- Norbert Fritsche
- H04 - ELECTRIC COMMUNICATION TECHNIQUE