Issued Patents 2018
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10138604 | Rail tie having embedded automatic differential settlement compensation apparatus using oil pressure for railroad tracks | Jin-Wook Lee | 2018-11-27 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10138604 | Rail tie having embedded automatic differential settlement compensation apparatus using oil pressure for railroad tracks | Jin-Wook Lee | 2018-11-27 |