Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6887368 | Method and device for electroextraction of heavy metals from technological solutions and wastewater | Aron Mikhailovich Khalemsky, Sergei Abramovich Payusov, Leonid Kelner | 2005-05-03 |
| 6123747 | Apparatus and method for manufacturing barnyard manure using sewage and sludge | Dong Wook Kim, No Hyuk Kwak, Jae Gun Bae, Chung Hwan Oh, Youn Gun Chin +1 more | 2000-09-26 |