Issued Patents 2005
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6873690 | System and method for providing prepaid telecommunication services | Johng Phil Lee, Jae Heung Park, Taesoon Kim, Jong Phil Shin, Han Kwang Cho | 2005-03-29 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6873690 | System and method for providing prepaid telecommunication services | Johng Phil Lee, Jae Heung Park, Taesoon Kim, Jong Phil Shin, Han Kwang Cho | 2005-03-29 |