Issued Patents 2004
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6831563 | Location visit confirmation services for wireless devices | — | 2004-12-14 |
| 6804341 | System and method for providing no answer detail service for telephone calls that are not completed | — | 2004-10-12 |
| 6792081 | Emergency notification system | — | 2004-09-14 |
| 6754324 | Systems and methods for no-answer redial and connect | — | 2004-06-22 |
| 6721406 | Telephone caller location data retrieval | — | 2004-04-13 |
| 6711240 | Systems and methods for per use message delivery | — | 2004-03-23 |
| 6683940 | Transferring voice mail messages to a data network | — | 2004-01-27 |
| 6674840 | Systems and methods for verifying the provisioning of advanced intelligent network services | — | 2004-01-06 |