Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8440059 | Electrolytic cell for obtaining aluminium | — | 2013-05-14 |
| 6723212 | Impregnated graphite cathode for the electrolysis of aluminium | Regis Paulus | 2004-04-20 |
| 6627062 | Graphite cathode for the electrolysis of aluminium | — | 2003-09-30 |