Issued Patents 2023
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11738220 | Mask device | Youngjun Kim, Haeyoong Chung | 2023-08-29 |
| 11666787 | Mask apparatus | Youngjun Kim, Haeyoong Chung | 2023-06-06 |
| 11617806 | Mask storage apparatus | Youngjun Kim | 2023-04-04 |