Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6856674 | Platform for prepaid calling card calls | Nicholas D. De Trana, Craig L. DeCaluwe, Hossein Eslambolchi, Paul Greendyk | 2005-02-15 |
| 5684867 | Remote data access for operator assistance calls | John P. Gesslein, Jr., Robert Michael Jelinski, William F. Thompson | 1997-11-04 |
| 5487107 | Method and apparatus for processing telephone calls charged to credit cards | Jean Atkins, Richard Harris, Julie M. Ladieu-Walton | 1996-01-23 |
| 5450477 | Monitoring of charges debited to an account having an assigned limit | Brenda B. Amarant, William H. Desmedt, Robert M. Neilon | 1995-09-12 |
| 5287403 | Method and apparatus for processing telephone calls charged to credit cards | Jean Atkins, Richard Harris, Julie M. Ladieu-Walton | 1994-02-15 |