Issued Patents 2003
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6639698 | Optical scanning unit with rotatable hologram disc | Hwan-young Choi, Moon-gyu Lee, Sung Min Cho, Jae-Youn Eum, Jin-seung Choi +1 more | 2003-10-28 |
| 6628613 | Flow control method in packet switched network | Jinoo Joung | 2003-09-30 |
| 6622313 | Rotatable coupling structure for shield and visor of helmet | Kwang-Moon Choi, Jeong Hwan Park | 2003-09-23 |
| 6622314 | Coupling apparatus for helmet shield | Kwang-Moon Choi | 2003-09-23 |