Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4711728 | Treating spent filter media | Alain A. J. Verbeeck | 1987-12-08 |
| 4430888 | System for the rapid analysis of water-borne oil spills | Andre Lepain, Robert D. E. M. Bronchart | 1984-02-14 |
| 4388407 | Process and apparatus for the rapid determination of the characteristics of a petroleum pollutant | Andre Lepain, Robert D. E. M. Bronchart | 1983-06-14 |