Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8557114 | Water purification apparatus and method for using pressure filter and pore control fiber filter | Eui-Sin Lee, Hee-Kyong Oh, Jung-Yeol Eom | 2013-10-15 |
| 8518261 | Water purification apparatus and method for using pressure filter and pore control fiber filter | Eui-Sin Lee, Hee-Kyong Oh, Jung-Yeol Eom | 2013-08-27 |