Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5254254 | Biological method of treating wastewater in batch with porous biomass carrier | Hang-sik Shin | 1993-10-19 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5254254 | Biological method of treating wastewater in batch with porous biomass carrier | Hang-sik Shin | 1993-10-19 |