Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5396548 | Communication system utilizing information received during a silent interval between ringing signals | Jeanne P. Bayerl, Paul J. O'Brien | 1995-03-07 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5396548 | Communication system utilizing information received during a silent interval between ringing signals | Jeanne P. Bayerl, Paul J. O'Brien | 1995-03-07 |