Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9410352 | Door closer provided with unit for adding door-closing force | Jaebok KANG | 2016-08-09 |
| 9410353 | Door closer | Jaebok KANG | 2016-08-09 |
| 9169762 | Hydro-carbon injection supply unit | Jiho Kim, Sukil Park | 2015-10-27 |