Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5855779 | Apparatus for mounting a cover plate to a water purifier | Deok-Hye Lee | 1999-01-05 |
| 5833852 | Supplementary filter apparatus for a water purifier | — | 1998-11-10 |
| 5819784 | Water purifier having a water discharge valve for draining water storage tanks | — | 1998-10-13 |
| 5788840 | Dispensing spigot with controllable lever | Deok-Hye Lee | 1998-08-04 |
| 5770052 | Device for controlling the ratio of pure water to concentrated water in water purifiers | — | 1998-06-23 |
| 5766452 | Water purifier having control valve for discharging waste water | — | 1998-06-16 |
| 5223132 | Water filtering apparatus | — | 1993-06-29 |