Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10653900 | Lifesaving system using drone and lifesaving method using the same | Chul Hwan Choi | 2020-05-19 |
| 7356991 | Hydraulic control device of an excavator with improved loading performance on a slope | Won Sun Sohn | 2008-04-15 |
| 7290390 | Travel control device for excavators | — | 2007-11-06 |
| 7281373 | Fluid pump control device for wheel loaders | — | 2007-10-16 |