Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D665686 | Elevator passenger interface | Han Woo Lee | 2012-08-21 |
| D665687 | Elevator indicator | Han Woo Lee | 2012-08-21 |
| D663638 | Elevator passenger interface | Han Woo Lee | 2012-07-17 |
| D662002 | Elevator passenger interface | Han Woo Lee | 2012-06-19 |
| D660736 | Elevator indicator | Han Woo Lee | 2012-05-29 |