Lei Qian

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Naperville, IL, US

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Patents Grantslast 30 patents

Information Patent Grant
Telecommunication calling party number determination and manipulation
- Patent number 6,324,272
- Issue date Nov 27, 2001
- Lucent Technologies Inc.
- Husam A. M. Abu-Shukhaidem
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
Collect calling party identification
- Publication number 20040202298
- Publication date Oct 14, 2004
- Ismael Lopez
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Calling party identification
- Publication number 20020076021
- Publication date Jun 20, 2002
- Ismael Lopez
- H04 - ELECTRIC COMMUNICATION TECHNIQUE