Issued Patents 2022
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11447996 | Structure for operating watertight door by buoyancy | Dong Sop Rhee, Ho Je Seong | 2022-09-20 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11447996 | Structure for operating watertight door by buoyancy | Dong Sop Rhee, Ho Je Seong | 2022-09-20 |