Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5855796 | Water discharging control device and method for water purifier tank | — | 1999-01-05 |
| 5837147 | Methods and apparatus for controlling the draining of water from a water purifier | — | 1998-11-17 |
| 5820765 | Apparatus and method for displaying the purifying efficiency of the water purifier | In-Gue Joung | 1998-10-13 |
| 5772869 | Data backup device for water purifier | — | 1998-06-30 |