Thomas Altwein

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Immenstaad, DE

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Patents Grantslast 30 patents

Information Patent Grant
Method for setting up a conference call
- Patent number 7,650,142
- Issue date Jan 19, 2010
- Nortel Networks Limited
- Timothy Longman
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
Location-based addressing
- Publication number 20070077942
- Publication date Apr 5, 2007
- NORTEL NETWORKS LIMITED
- Thomas Heaven
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Method for setting up a conference call
- Publication number 20060008065
- Publication date Jan 12, 2006
- Timothy Longman
- H04 - ELECTRIC COMMUNICATION TECHNIQUE