Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4737256 | Laminated carbon cathode for cells for the production of aluminium by electrolytic smelting | Johnny Torvund | 1988-04-12 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4737256 | Laminated carbon cathode for cells for the production of aluminium by electrolytic smelting | Johnny Torvund | 1988-04-12 |