Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5943657 | Communications pricing and charging maintenance sub-system and process | David Freestone, Brian S. Kerr, Timothy Regan, Paul H. Thompson, Clazien D Wezeman +1 more | 1999-08-24 |