Amr E. Abdelwahab

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Deptford, NJ, US

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Patents Grantslast 30 patents

Information Patent Grant
Public telephone control with voice over internet protocol transmis...
- Patent number 7,505,406
- Issue date Mar 17, 2009
- Evercom Systems, Inc.
- Thomas R. Spadaro
- H04 - ELECTRIC COMMUNICATION TECHNIQUE