Yuemei Chen

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Vienna, AT

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Patents Grantslast 30 patents

Information Patent Grant
Protocol for billing telecommunication services between network ope...
- Patent number 9,762,745
- Issue date Sep 12, 2017
- Deutsche Telekom AG
- Yuemei Chen
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
PROTOCOL FOR BILLING TELECOMMUNICATION SERVICES BETWEEN NETWORK OPE...
- Publication number 20150087261
- Publication date Mar 26, 2015
- Deutsche Telekorn AG
- Yuemei Chen
- H04 - ELECTRIC COMMUNICATION TECHNIQUE