Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11286574 | Cathode current collector/connector for a Hall-Heroult cell | Markus Pfeffer | 2022-03-29 |
| 11136682 | Cathode current collector for a Hall-Heroult cell | Gualtiero SPINETTI | 2021-10-05 |
| 8097144 | Aluminium electrowinning cell with enhanced crust | Thinh Nguyen, Vittorio de Nora | 2012-01-17 |
| D592090 | Two dimensional decoration for jewelry articles | — | 2009-05-12 |
| D591632 | Two dimensional decoration for jewelry articles | — | 2009-05-05 |