Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6819918 | IMSI conversion method | Terry D. Chin, Anita R. Garvert | 2004-11-16 |
| 6741678 | Method and system for sending a data response from a called phone to a calling phone | Lynell Earline Cannell, Donna Michaels Sand | 2004-05-25 |