Issued Patents All Time
Showing 26–28 of 28 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6785534 | Prepaid/postpaid automatic change of payment option | — | 2004-08-31 |
| 6782258 | Wireless hot-lining with automatically assigned variable hot-line number | Mark Titus, Robert Thomas Calabrese, Margaret Skalko Shepard, Karl Lebedda, Carle S. Johnson, Jr. | 2004-08-24 |
| 6694000 | Prepaid real-time web based reporting | Mark Titus | 2004-02-17 |