Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5896445 | Incoming call tracking with interactive data collection | William A. Kay, Dorsey P. Brown, Barry Paul Pershan, Lisa Michele PHILLIPS | 1999-04-20 |
| 5754634 | System and method for tracking and reporting incoming calls | William A. Kay, Dorsey P. Brown | 1998-05-19 |