Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6504907 | Call detail reporting for lawful surveillance | Robert D. Farris, Dale L. Bartholomew, Raymond F. Albers, Charles H. Eppert, III, Barry Paul Pershan +5 more | 2003-01-07 |
| 6233313 | Call detail reporting for lawful surveillance | Robert D. Farris, Dale L. Bartholomew, Raymond F. Albers, Charles H. Eppert, III, Barry Paul Pershan +5 more | 2001-05-15 |
| 5790631 | Wireless drop | Dennis A. Minarczik, Daisy C. Copp, Gerard J. Sasse, Harrison K. Wallace, Robert D. Farris +1 more | 1998-08-04 |