Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7764774 | Allow toll free calls via dedicated access line (DAL) based upon origination | Nancy Book, Monica Cuellar, Denis Nolan | 2010-07-27 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7764774 | Allow toll free calls via dedicated access line (DAL) based upon origination | Nancy Book, Monica Cuellar, Denis Nolan | 2010-07-27 |