Issued Patents 2003
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6622313 | Rotatable coupling structure for shield and visor of helmet | Kwang-Moon Choi, Young Il Kim | 2003-09-23 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6622313 | Rotatable coupling structure for shield and visor of helmet | Kwang-Moon Choi, Young Il Kim | 2003-09-23 |