Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5771932 | Pressure control valve for a power steering apparatus | Sung Hyun Cho, Byeoung Cho Lee, Dae Jong Jeong | 1998-06-30 |
| 5687810 | Power assistance steering system for use in a vehicle | Byoung-Yoon Choi, Won-Taek Choi | 1997-11-18 |