Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6522734 | Transaction billing for special service telephone numbers | Curtis E. Allen, Phillip D. Crable, Deanna D. Willoughby | 2003-02-18 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6522734 | Transaction billing for special service telephone numbers | Curtis E. Allen, Phillip D. Crable, Deanna D. Willoughby | 2003-02-18 |