Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11866992 | Cordless operating safety blind | Woo-Jin Kwak | 2024-01-09 |
| 10364602 | Spring pre-tensioning device for roll blind | — | 2019-07-30 |
| 10208537 | Device for adjusting fabric angle of double fabric blinds | — | 2019-02-19 |
| 9410366 | Device for adjusting fabric angle of double fabric blinds | — | 2016-08-09 |
| 8327906 | Tiltable double-layered fabric blind | — | 2012-12-11 |
| 8191605 | One cord blind | — | 2012-06-05 |
| 7549458 | Automatic movement ascent device gear of roll screen | — | 2009-06-23 |
| 7234503 | Roll screen for reduction device | — | 2007-06-26 |