Petrelli; Robert
Patent Applications and Registrations
Patent applications and USPTO patent grants for Petrelli; Robert.The latest application filed is for "method for administering advanced number portability numbers".
- Petrelli; Robert - Neshanic Station NJ
- Petrelli; Robert - East Brunswick NJ
- Petrelli; Robert - Naperville IL
| Patent | Date |
|---|---|
| Method for administering advanced number portability numbers Grant 6,359,980 - Petrelli , et al. March 19, 2 | 2002-03-19 |
| Personalized information service system Grant 5,694,459 - Backaus , et al. December 2, 1 | 1997-12-02 |
| Method for switching telephone calls to information service providers Grant 5,459,779 - Backaus , et al. October 17, 1 | 1995-10-17 |
| Telephone information service system using digital and out-of-band signaling Grant 5,444,713 - Backaus , et al. August 22, 1 | 1995-08-22 |
| Automation of telephone operator assistance calls Grant 5,185,781 - Dowden , et al. February 9, 1 | 1993-02-09 |
| Automation of telephone operator assistance calls Grant 5,181,237 - Dowden , et al. January 19, 1 | 1993-01-19 |
| More efficient call handling for operator assistance calls Grant 4,899,375 - Bauer , et al. February 6, 1 | 1990-02-06 |
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