Issued Patents 2003
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6650633 | Monitor network with advanced intelligent network (AIN) for electronic surveillance | Charles H. Eppert, III, Barry Paul Pershan, Daniel C. Michaelis, Michael G. Pilkerton, Robert D. Farris +1 more | 2003-11-18 |
| 6636504 | Reverse billing of internet telephone calls | Edward F. Balkovich, David E. Young | 2003-10-21 |
| 6504907 | Call detail reporting for lawful surveillance | Robert D. Farris, Dale L. Bartholomew, Charles H. Eppert, III, Barry Paul Pershan, Daniel C. Michaelis +5 more | 2003-01-07 |