Issued Patents 2005
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6847708 | Method and apparatus for validating pre-pay and post-pay communication services using the same integrated database | Zahid Abbasi, Minh Duy Khuc, Carl Rogers, Dan Sbisa | 2005-01-25 |