Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4582607 | Process for the biological treatment of waste water | Ulrich Scheffler | 1986-04-15 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4582607 | Process for the biological treatment of waste water | Ulrich Scheffler | 1986-04-15 |