Robert John Zurawski

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Wheaton, IL, US

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Patents Grantslast 30 patents

Information Patent Grant
Method and apparatus for supporting voice message services with aut...
- Patent number 6,839,555
- Issue date Jan 4, 2005
- Lucent Technologies Inc.
- Langdon Edward Alger
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method and apparatus providing call redirection for subsequent call...
- Patent number 6,389,279
- Issue date May 14, 2002
- Lucent Technologies Inc.
- Robert Thomas Calabrese
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
Method and apparatus for supporting voice message services with aut...
- Publication number 20020160755
- Publication date Oct 31, 2002
- Langdon Edward Alger
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Method and apparatus for supporting voice message services with cal...
- Publication number 20020160754
- Publication date Oct 31, 2002
- Langdon Edward Alger
- H04 - ELECTRIC COMMUNICATION TECHNIQUE