Issued Patents 2005
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6952575 | Prepaid call management in intelligent network | Elizabeth Countryman, Timothy J. Lorello, Mark Titus | 2005-10-04 |
| 6907116 | Time balance based prepaid subscriber database and reporting | Peter He | 2005-06-14 |