Karin Groetzner

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Unterschleissheim, DE

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Patents Grantslast 30 patents

Information Patent Grant
System, method and computer program for changing over between a voi...
- Patent number 7,385,964
- Issue date Jun 10, 2008
- Siemens Aktiengesellschaft
- Thomas Baumann
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
System, method and computer program for changing over between a voi...
- Publication number 20030118008
- Publication date Jun 26, 2003
- Thomas Baumann
- H04 - ELECTRIC COMMUNICATION TECHNIQUE