Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8109351 | Multi-link bridge in undercarriage system | Joon-il Cho, Dong-hwa Park | 2012-02-07 |
| 7717201 | Undercarriage having shock absorption function | Dong-hwa Park, Joon-il Cho | 2010-05-18 |