Stefan Schaefer

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Kelkheim, DE

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Patents Grantslast 30 patents

Information Patent Grant
Adapter for switching a telecommunication terminal, uses and method
- Patent number 8,121,272
- Issue date Feb 21, 2012
- Nokia Siemens Networks GmbH & Co. KG
- Stefan Schaefer
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
Adapter for Switching a Telecommunication Terminal, Uses and Method
- Publication number 20090122809
- Publication date May 14, 2009
- Stefan Schaefer
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
METHOD COMMUNICATION ARRANGEMENT AND COMMUNICATION DEVICE FOR ESTAB...
- Publication number 20090116506
- Publication date May 7, 2009
- NOKIA SIEMENS NETWORKS GMBH & CO
- Stefan Schaefer
- H04 - ELECTRIC COMMUNICATION TECHNIQUE