Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7438349 | Operator cab for heavy construction equipment | Jung Gun Gwak | 2008-10-21 |
| 7165472 | Control lever safety apparatus for heavy equipment | Chun Jin Yoon | 2007-01-23 |
| 7131686 | Operator protective structure installed on cabin of construction machine | Chun Jin Yoon | 2006-11-07 |
| 6971279 | Control lever safety apparatus for heavy equipment | Chun Jin Yoon | 2005-12-06 |
| 6810980 | Driver protection structure and a device supporting the same | Chun Jin Yoon | 2004-11-02 |
| 5096253 | Cabs of heavy construction vehicles with an openable front window and a locking device therefor | Sung-Gi Park, Chun-Jin Youn | 1992-03-17 |