Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6246870 | Tariff management apparatus and methods for multiple-mode communications terminals | Paul W. Dent | 2001-06-12 |
| 6098878 | Tariff management apparatus and method for communications terminals using smart cards | Paul W. Dent | 2000-08-08 |