Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4601804 | Cell for electrolytic purification of aluminum | — | 1986-07-22 |
| 4568430 | Process for refining scrap aluminum | — | 1986-02-04 |
| 4552637 | Cell for the refining of aluminium | Ludwig Gauckler | 1985-11-12 |