Issued Patents 2003
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6522739 | Apparatus and method for multi-access conference call in exchange system | Jin-Hyun Kwon, Byung-Wook Park, Tae Wan Kim, Jae-Sup Kwak | 2003-02-18 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6522739 | Apparatus and method for multi-access conference call in exchange system | Jin-Hyun Kwon, Byung-Wook Park, Tae Wan Kim, Jae-Sup Kwak | 2003-02-18 |