Issued Patents All Time
Showing 76–77 of 77 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5750680 | N-vinyllactam derivatives and polymer thereof | Min Ho Jung, Kyeong Ho Chang | 1998-05-12 |
| 5333472 | Air conditioner with heater for heating liquified refrigerant | Young-Dawn Bae | 1994-08-02 |