Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5822413 | Fraud control system for processing calls with an automatic number identification failure | Thomas A. Dunn, Howard J. Geiger, Thomas C. Sharpe | 1998-10-13 |
| 5592539 | System for completing air-to-ground telephone calls | Brenda B. Amarant, Erik N. Breden, Thomas A. Dunn, Michael W. Funk, Stephen M. Kocan +2 more | 1997-01-07 |