Issued Patents 2003
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6621230 | Method for operating PDP | Geun Soo Lim, Jeong Choi, Hwan Yu Kim | 2003-09-16 |
| 6616844 | Method for treating high-concentrated organic wastewater using bio-maker | Wan Cheol Park, Chang Ju LEE, Hun Gi Jung | 2003-09-09 |
| D476874 | Tool, self protection bar and storage case | — | 2003-07-08 |