Frank Burghardt

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Berlin, DE

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Patents Grantslast 30 patents

Information Patent Grant
Method for transferring messages between communication terminals
- Patent number 7,239,623
- Issue date Jul 3, 2007
- Siemens Aktiengesellschaft
- Frank Burghardt
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
Method For Charging For A Service In A Telecommunications/Data Network
- Publication number 20080014903
- Publication date Jan 17, 2008
- Frank Burghardt
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
METHOD FOR CHARGING FOR A SERVICE IN A TELECOMMUNICATIONS/DATA NETWORK
- Publication number 20070232264
- Publication date Oct 4, 2007
- SIEMENS AKTIENGESELLSCHAFT
- Frank Burghardt
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Method for charging for a service in a telecommunications/data network
- Publication number 20050076118
- Publication date Apr 7, 2005
- SIEMENS AKTIENGESELLSCHAFT
- Frank Burghardt
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Method for transferring messages between communication terminals
- Publication number 20050058070
- Publication date Mar 17, 2005
- SIEMENS AKTIENGESELLSCHAFT
- Frank Burghardt
- H04 - ELECTRIC COMMUNICATION TECHNIQUE