Issued Patents 2022
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11319863 | Flow control valve apparatus | Cheol Soo Park, Jun Sik Park, Bong Sang Lee, Seok Yoon Chang, Ho Young Jang | 2022-05-03 |
| 11221077 | Flow control valve apparatus | Cheol Soo Park, Bong Sang Lee, Jun Sik Park, Seok Yoon Chang, Ho Young Jang +2 more | 2022-01-11 |