Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4490258 | Sludgeless oxidative biological purification process | Joseph Johannes Heijnen, Pieter A. Lourens, Albert J. Vroemen | 1984-12-25 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4490258 | Sludgeless oxidative biological purification process | Joseph Johannes Heijnen, Pieter A. Lourens, Albert J. Vroemen | 1984-12-25 |