Holger Hoffmann

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Schwerte, DE

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Patents Grantslast 30 patents

Information Patent Grant
Absence assistance system for multimedia-enabled communication systems
- Patent number 8,028,016
- Issue date Sep 27, 2011
- Siemens Enterprise Communications GmbH & Co. KG
- Uwe Bordewisch
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
Method for setting up a fax connection over a packet-oriented network
- Publication number 20040114594
- Publication date Jun 17, 2004
- Siemens Aktiengesellschaft of Munich, Germany
- Holger Hoffmann
- H04 - ELECTRIC COMMUNICATION TECHNIQUE