Issued Patents 2020
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10683947 | Safety valve and gas cylinder having same | Se Kyung Won, Min-Cheol Kim, Tack Jin Oh | 2020-06-16 |
| 10633167 | Safety valve of gas container | Byoung Cheol Kim, Se Kyung Won, Min-Cheol Kim | 2020-04-28 |