Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8918912 | Shield coupling assembly and helmet having the same | — | 2014-12-30 |
| 8745763 | Helmet | — | 2014-06-10 |
| D569557 | Shield for helmet | — | 2008-05-20 |
| 7181777 | Shield mounting device for helmet | Kwang-Moon Choi | 2007-02-27 |
| 6892400 | Helmet having opening type chin protection bar | Kwang-Moon Choi, Kwang-Ho Pyo | 2005-05-17 |