Klaus Leutner

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Unterhaching, DE

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Patents Grantslast 30 patents

Information Patent Grant
Method for checking a switching center, line unit and switching cen...
- Patent number 6,577,710
- Issue date Jun 10, 2003
- Siemens Aktiengesellschaft
- Michael Eder
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Broadcast method for simultaneous switching of an announcement to a...
- Patent number 5,600,639
- Issue date Feb 4, 1997
- Siemens Aktiengesellschaft
- Axel Kreten
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Circuit arrangement for telecommunications switching systems, parti...
- Patent number 4,802,205
- Issue date Jan 31, 1989
- Siemens Aktiengesellschaft
- Michael Eder
- H04 - ELECTRIC COMMUNICATION TECHNIQUE