Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5820765 | Apparatus and method for displaying the purifying efficiency of the water purifier | Geum-Suk Joung | 1998-10-13 |
IJ
In-Gue Joung
Overall (All Time): #3,699,410 of 4,157,543Top 90%
1
Patents All Time