Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6542601 | Method and system for automated customer support services | David Hernandez | 2003-04-01 |
| 6507644 | Pre-paid telephone calling card linked to a stored value account | Karl M. Henderson, David K. Ford, James D. Bond | 2003-01-14 |