Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11447327 | Injection container capable of relieving overpressure and valve assembly thereof | Changhee Koh, Kihong Lee | 2022-09-20 |
| 11208256 | Spraying vessel capable of relieving overpressure and valve assembly thereof | Changhee Koh, Kihong Lee | 2021-12-28 |