Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7512421 | Method for setting substitute ringback tone of calling party in mobile communications system | Sok-Bom Kim | 2009-03-31 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7512421 | Method for setting substitute ringback tone of calling party in mobile communications system | Sok-Bom Kim | 2009-03-31 |