Issued Patents 1994
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5316832 | Biodegradable sheet for culturing sewage denitrifiers | Robert Groten, Gerhard Heidecke, Volker Siekermann | 1994-05-31 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5316832 | Biodegradable sheet for culturing sewage denitrifiers | Robert Groten, Gerhard Heidecke, Volker Siekermann | 1994-05-31 |