Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8225913 | Damper for continuously variably adjusting damping force | Dong-Rak Lee | 2012-07-24 |
| 7992692 | Damper equipped with relative displacement detecting sensor | Dong-Rak Lee, Jae Woo Park, Chang-do Huh | 2011-08-09 |