Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4415541 | Method of recovering nickel from a spent fat hardening catalyst | — | 1983-11-15 |
| 4401463 | Process for the recovery of metals from the scrap from nickel-cadmium electric storage batteries | Vide H. Svensson | 1983-08-30 |