William V. Pezzullo

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Bromley, NC, US

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Patents Grantslast 30 patents

Information Patent Grant
Screen-based telephone set for interactive enhanced telephony service
- Patent number 6,064,732
- Issue date May 16, 2000
- Northern Telecom Limited
- William V. Pezzullo
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Screen-based telephone set for interactive enhanced telephony service
- Patent number 5,615,257
- Issue date Mar 25, 1997
- Northern Telecom Limited
- William V. Pezzullo
- H04 - ELECTRIC COMMUNICATION TECHNIQUE