Issued Patents All Time
Showing 26–40 of 40 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7006833 | Location-based forwarding of a communication | — | 2006-02-28 |
| 6931107 | Systems and methods for per use busy message | — | 2005-08-16 |
| 6879676 | System and method for routing a call to an optimal location | — | 2005-04-12 |
| 6862345 | Systems and methods for per use no-answer message | — | 2005-03-01 |
| 6847824 | Location visit detail services for wireless devices | — | 2005-01-25 |
| 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 |
| 6608886 | Method and apparatus for establishing a connection between first and second communication devices | — | 2003-08-19 |
| 6427001 | System and method for notification of 911 telephone calls using a link monitoring system | Hong Thi Nguyen | 2002-07-30 |