Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6778828 | Personal mobility registration system for registration of a user's identity in a telecommunications terminal | Sharat Chander, Jan Oudelaar | 2004-08-17 |
| 6587688 | Providing telephone number data for international cellular roamer service | Michael D. Chambers, Chee Keong Lee, Tony Nguyen | 2003-07-01 |