Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D720845 | Facepiece | Kyoung Ho Lee | 2015-01-06 |
| D702341 | Facepiece strap support | Young Jun Kim | 2014-04-08 |
| D689604 | Facepiece rib | — | 2013-09-10 |
| D678508 | Filter cartridge intake profile | Dong-Il Choi, Kyoung Ho Lee, Jin Ho Lee, Dong-Sun Noh | 2013-03-19 |
| D677780 | Filter cartridge | Dong-Il Choi, Kyoung Ho Lee, Jin Ho Lee, Dong-Sun Noh | 2013-03-12 |
| D677781 | Filter cartridge louver | Dong-Il Choi, Kyoung Ho Lee, Jin Ho Lee, Dong-Sun Noh | 2013-03-12 |