Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5286353 | Electrolysis cell and method for the extraction of aluminum | — | 1994-02-15 |
| 5024793 | Method for manufacturing refractory oxide-carbon bricks | — | 1991-06-18 |
| 4919771 | Process for producing aluminum by molten salt electrolysis | — | 1990-04-24 |
| 4635273 | Method and apparatus for the thermal production of metal carbides and metals | — | 1987-01-06 |
| 4441920 | Method for the thermal production of metals | — | 1984-04-10 |