Issued Patents 2002
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6352643 | Wastewater treatment plant comprising upflow anaerobic reactor, and wastewater treatment method using thereof | Joong Chun Kwon, Hang-sik Shin, Kyu-Seon Yoo | 2002-03-05 |