Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4231862 | Method for the preservation of an activated sludge | Jurgen Gnieser | 1980-11-04 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4231862 | Method for the preservation of an activated sludge | Jurgen Gnieser | 1980-11-04 |