Helga Hofstetter

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Munich, DE

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Patents Grantslast 30 patents

Information Patent Grant
Method and circuit arrangement for setting up virtual connections v...
- Patent number 5,436,894
- Issue date Jul 25, 1995
- Siemene Aktiengesellschaft
- Eugen Wallmeier
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method for setting up virtual connections in switching equipment op...
- Patent number 5,216,669
- Issue date Jun 1, 1993
- Siemens Aktiengesellschaft
- Helga Hofstetter
- H04 - ELECTRIC COMMUNICATION TECHNIQUE