Issued Patents 2021
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11060648 | Connecting device for piping | Jung Hoon Choi, Ha Yeong Seong, Sang In Jang | 2021-07-13 |
| D924376 | Pipe connector | Jung Hoon Choi, Ha Yeong Seong, Sang In Jang | 2021-07-06 |
| D924377 | Pipe connector | Jung Hoon Choi, Ha Yeong Seong, Sang In Jang | 2021-07-06 |