Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8753494 | Gas sensor and preparing method of the same | Youngmi Lee, Myung-Hwa Kim, Min-Cheol Oh, Hyunkyung Do, Ji-Hyang Jang | 2014-06-17 |
| 5769707 | Method and apparatus for broadening an air discharge pattern from a room air conditioner | Gab-Youl Lee | 1998-06-23 |