Issued Patents 2021
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10942446 | Mask cleaning apparatus and method for cleaning mask | Jeong Yeong Park, Sung-Bum Park, Byung Chul Kang | 2021-03-09 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10942446 | Mask cleaning apparatus and method for cleaning mask | Jeong Yeong Park, Sung-Bum Park, Byung Chul Kang | 2021-03-09 |