Dietmar Ratzberger

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Haidershof, AT

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Patents Grantslast 30 patents

Information Patent Grant
Apparatus and method for switching incoming calls through to subscr...
- Patent number 7,218,716
- Issue date May 15, 2007
- Siemens Aktiengesellschaft
- Bernd Aberer
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method and application means for establishing performance features...
- Patent number 6,038,306
- Issue date Mar 14, 2000
- Siemens Aktiengesellschaft
- Siegfried Spahl
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
Apparatus and method for switching incoming calls through to subscr...
- Publication number 20020181687
- Publication date Dec 5, 2002
- Bernd Aberer
- H04 - ELECTRIC COMMUNICATION TECHNIQUE