Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8974181 | Rope-conveyer structure for supporting plates of wind or water power generator | Dae Hee Lee | 2015-03-10 |
| 8344540 | Wind and water power generator ship | Dae Hee Lee | 2013-01-01 |
| 7765803 | Crankless reciprocating steam engine | Dae Hee Lee | 2010-08-03 |