Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5622220 | Heat exchanger for automobile air conditioning system | Sang-Rok Park | 1997-04-22 |
| 5464145 | Heat exchanger for automobile air conditioning system and method for manufacture of the same | Sang-Rok Park | 1995-11-07 |