Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6003637 | Elevator control system | Jong Gon Lee | 1999-12-21 |
| 5936211 | Elevator control system | — | 1999-08-10 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6003637 | Elevator control system | Jong Gon Lee | 1999-12-21 |
| 5936211 | Elevator control system | — | 1999-08-10 |