Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6698508 | Fin and tube type heat-exchanger | Byeong Chul Na | 2004-03-02 |
| 6691773 | Fin and tube type heat-exchanger | Byeong Chul Na | 2004-02-17 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6698508 | Fin and tube type heat-exchanger | Byeong Chul Na | 2004-03-02 |
| 6691773 | Fin and tube type heat-exchanger | Byeong Chul Na | 2004-02-17 |