Issued Patents 2022
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11359492 | Method and apparatus for preventing accident in tunnel | Seong Sam Kim, Hyun Ju Nho, Hyun Ju Kim | 2022-06-14 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11359492 | Method and apparatus for preventing accident in tunnel | Seong Sam Kim, Hyun Ju Nho, Hyun Ju Kim | 2022-06-14 |