Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4451289 | Process for extracting non-ferrous metals from iron-bearing scraps | Michel C. Van Hecke | 1984-05-29 |
| 4214897 | Process for the extraction of non-ferrous metals from slags and other metallurgical by-products | Dirk Verhulst, Robert H. Maes | 1980-07-29 |