Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8176760 | Key interlock device for steering column lock device | — | 2012-05-15 |
| 8128531 | Key inter lock control system and starting device having the same | — | 2012-03-06 |
| 8079239 | Key interlock device | — | 2011-12-20 |
| 7299669 | Steering column locking device having push release function | Sung-Ook Choi | 2007-11-27 |
| 7174755 | Mounting structure of steering column locking device | Sung-Ook Choi | 2007-02-13 |
| 7028515 | Burglarproof locking device for a vehicle | — | 2006-04-18 |
| 7009479 | Steering column lock for personal identification card system | Sung-Ook Choi | 2006-03-07 |