Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7530765 | Structure of intermediate wall of three arch excavated tunnel and method for constructing the same | Seok-Ryul Yun, Oh Hyun Kwon | 2009-05-12 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7530765 | Structure of intermediate wall of three arch excavated tunnel and method for constructing the same | Seok-Ryul Yun, Oh Hyun Kwon | 2009-05-12 |