Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9709031 | Tilt-type rotor blade apparatus for vertical type wind power generation | — | 2017-07-18 |
| 7826723 | Automatic circulation device of warm water | Young-Bog Rho | 2010-11-02 |