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Dirk Langefeld
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Langenfeld, DE
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last 30 patents
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Patent Grant
Method for administration of a multicast service
Patent number
7,499,414
Issue date
Mar 3, 2009
Siemens Aktiengesellschaft
Mark Beckmann
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Patents Applications
last 30 patents
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Patent Application
Optimum Selection of a Communication Network in the Location Area o...
Publication number
20090213751
Publication date
Aug 27, 2009
Nokia Siemens Networks GmbH & KG
Dirk Langefeld
H04 - ELECTRIC COMMUNICATION TECHNIQUE
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Patent Application
Method, receiving terminal and transmitting terminal for identifyin...
Publication number
20050129190
Publication date
Jun 16, 2005
Christoph Euscher
H04 - ELECTRIC COMMUNICATION TECHNIQUE
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Patent Application
Method for administration of a multicast service
Publication number
20040180680
Publication date
Sep 16, 2004
Mark Beckmann
H04 - ELECTRIC COMMUNICATION TECHNIQUE