Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10422314 | Spiral blade unit and wind generator and blade connector for the unit | Yeoung Cheol Cho, Joon Ho Baek, Bong Sik KIM, Ho Seong Ji | 2019-09-24 |
| 10053986 | Blade having a divided shaft and blade unit utilizing the blade and method for making the blade unit | Joon Ho Baek | 2018-08-21 |