Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5542267 | Absorption heating and cooling device | Seung-Gap Lee, Sung-Ho Gil | 1996-08-06 |
| 5421173 | Absorption heating and cooling device | Seung-Gap Lee, Sung-Ho Gil | 1995-06-06 |
| 5381673 | Absorption cooling device | Seung-Gap Lee, Sung-Ho Gil, Hong Won Lee | 1995-01-17 |