Issued Patents 2021
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11085706 | Double tube with petal shape and method of manufacturing the same | Sangwook Han, Taewoo HWANG, Youngyun WOO, Ilyeong OH | 2021-08-10 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11085706 | Double tube with petal shape and method of manufacturing the same | Sangwook Han, Taewoo HWANG, Youngyun WOO, Ilyeong OH | 2021-08-10 |