Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5405579 | Decontamination of polluted soils | Reiner Melzer | 1995-04-11 |
| 4312652 | Separation system | — | 1982-01-26 |
| 4257871 | Use of vacuum residue in thermal cracking | Hans J. Wernicke | 1981-03-24 |