Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6047792 | Elevator having covers | Hyun Ho Jin, Kyoung Woo Park | 2000-04-11 |
| 5984053 | Guide roller supporting apparatus for elevator car | Kweon Youn Ki, Yong Hun Kim | 1999-11-16 |