Issued Patents 2021
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10984620 | Access control device, access control system and access control method using the same | Jong Keun Lee | 2021-04-20 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10984620 | Access control device, access control system and access control method using the same | Jong Keun Lee | 2021-04-20 |