Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8109351 | Multi-link bridge in undercarriage system | Jin-gyu Seon, Dong-hwa Park | 2012-02-07 |
| 7717201 | Undercarriage having shock absorption function | Dong-hwa Park, Jin-gyu Seon | 2010-05-18 |
| 7182414 | Undercarriage equipped with non-steel type rubber crawler using chain action | Dong-hwa Park | 2007-02-27 |