Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7133508 | Prepaid long distance call system and method | Brent V. Bell, Gloria E. Davy, John T. Peketz, Martin R. Marks | 2006-11-07 |
| 6931106 | System and method for using voice-messaging system to place local and long distance telephone calls | — | 2005-08-16 |