Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5724826 | Outside air conditioner unit with a controller for varying the intensity of air flow | — | 1998-03-10 |
| 5361601 | Air conditioner | Ho-young Sung | 1994-11-08 |
| 5275008 | Air conditioner with auxillary condenser defrost | Yun Ku Song | 1994-01-04 |