Robert C. Witter

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Chapel Hill, NC, US

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Patents Grantslast 30 patents

Information Patent Grant
Push-to-talk and push-to-conference in a CDMA wireless communicatio...
- Patent number 6,982,961
- Issue date Jan 3, 2006
- Telefonaktiebolaget LM Ericsson (publ)
- Wail M. Refai
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
Push-to-talk and push-to-conference in a CDMA wireless communicatio...
- Publication number 20030016632
- Publication date Jan 23, 2003
- Wail M. Refai
- H04 - ELECTRIC COMMUNICATION TECHNIQUE