Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5676824 | Water purifier with means for indicating when filter replacement is due and for automatically initiating a membrane washing step | Je-Dal Jeon, Moon-Hyun Cho, Sun-Yong Choi, Keun-Ho Lee | 1997-10-14 |
| 5601710 | Filtering apparatus of water purifier | Deok-Joung Yoon | 1997-02-11 |