Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4683046 | Reduction pot for the production of aluminum | Wilhelm Scharpey | 1987-07-28 |
| 4595475 | Solid cathode in a fused salt reduction cell | Hans-Anton Meier | 1986-06-17 |
| 4396481 | Electrolytic cell for the production of aluminum by fused salt electrolysis | Peter Lagler | 1983-08-02 |