Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9783392 | Elevator door stopping device | Jung Sam Kim, Jinkoo Lee, Hansoo Shim | 2017-10-10 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9783392 | Elevator door stopping device | Jung Sam Kim, Jinkoo Lee, Hansoo Shim | 2017-10-10 |