Issued Patents 2022
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11447996 | Structure for operating watertight door by buoyancy | In Hwan Park, Ho Je Seong | 2022-09-20 |
| 11326924 | Device for measuring water level by using capacitive technique, and method therefor | — | 2022-05-10 |