Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7517449 | Water purification filter easily replaced by connector and water purification system using the same | Suk-Rim Choi | 2009-04-14 |
| 7387725 | One-touch fitting type single or multiple adapter, filter assembly detachably engaged with the same and water purifying system employing these elements | Suk-Rim Choi | 2008-06-17 |