Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6464883 | Remover of fluoride ion and treatment method for wastewater containing fluoride ion using the same | — | 2002-10-15 |
| 5441699 | Apparatus for automatically analyzing liquid test samples | Hae-Il Kwak, Kyu-Hae Kwang, Yong-Hwan Cho, Ki-Jin Eom, Sa-Ryong Pack | 1995-08-15 |