Issued Patents 2023
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D997245 | Stand for electronic blackboard | Seungdon Lee, Sangwon Yoon | 2023-08-29 |
| D987628 | External terminal for data transmitting and receiving | Seungdon Lee | 2023-05-30 |
| D987629 | External terminal for data transmitting and receiving | Seungdon Lee | 2023-05-30 |
| D983879 | Electronic blackboard | Seungdon Lee, Sangwon Yoon | 2023-04-18 |