Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7181777 | Shield mounting device for helmet | Bom-Shik Cho | 2007-02-27 |
| 6892400 | Helmet having opening type chin protection bar | Kwang-Ho Pyo, Bom-Shik Cho | 2005-05-17 |
| 6622314 | Coupling apparatus for helmet shield | Young Il Kim | 2003-09-23 |
| 6622313 | Rotatable coupling structure for shield and visor of helmet | Young Il Kim, Jeong Hwan Park | 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 |
| 6288759 | Display device having fire-retardant shield case | Nam-il Cho, Tae Hwan Kim, Gwang-hyeon Kim | 2001-09-11 |
| 5347411 | Apparatus for driving brakes in a tape recorder | — | 1994-09-13 |
| 5099371 | Device for controlling the tape tension of a tape in a magnetic tape recorder | — | 1992-03-24 |
| 5068758 | Cassette loading device for a tape recorder | — | 1991-11-26 |