Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5645719 | Filter clamping device for water purifiers | Duk Hee Lee | 1997-07-08 |
DH
Dong-Kyu Ha
Overall (1997): #158,409 of 185,788Top 90%
1
Patents 1997