Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5928128 | Method for the treatment of incineration residues | Jacob Jacobus Steketee | 1999-07-27 |
| 5342522 | Method for the treatment of sewage | Eric H. Marsman, Garardus J. F. M. Vlekke, Berend A. H. Reitsma | 1994-08-30 |
| 5080793 | Apparatus and method for the simultaneous purification of air and water | — | 1992-01-14 |