Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6834796 | Anonymous redemption and stored value system and method | Bhaskarpillai Gopinath, Sridhar Sundaram, Rajiv Mangla | 2004-12-28 |
| 6684072 | Global wireless prepaid roaming | Bhaskarpillai Gopinath, David Glenn Summerfelt, Sridhar Sundaram | 2004-01-27 |