Issued Patents 2005
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6879833 | Method and system for vocoder bypass using differentiated telephone numbers | Dae-Sik Oh, Deuk-Ho Ryu | 2005-04-12 |
| 6865391 | Method and system for vocoder bypass using electronic serial numbers | Dae-Sik Oh, Deuk-Ho Ryu, Shiva Narayanabhatla | 2005-03-08 |