Issued Patents 2003
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6622313 | Rotatable coupling structure for shield and visor of helmet | Young Il Kim, Jeong Hwan Park | 2003-09-23 |
| 6622314 | Coupling apparatus for helmet shield | Young Il Kim | 2003-09-23 |
| 6598238 | Jaw protecting apparatus of helmet | Wan-Ki Hong, Jin-gon Lee, Jung Hwan Park | 2003-07-29 |
| 6539592 | Band buckle | Kwang-Ho Pyo | 2003-04-01 |