Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6286409 | Apparatus for restraining and releasing missile using rigid sphere | Yeol Wha Lee, Tae-Hak Park, Heung Joon Park | 2001-09-11 |
| 5820072 | Apparatus for unfolding and fixing missile fins | Yeol Wha Lee, Young-Sug Shin, Cheol-gyu Hwang, Hae-Seogk Yang | 1998-10-13 |