Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4897115 | Method of, purifying a melt, which, besides one or more impurities, essentially contains a light metal, in particular aluminum | — | 1990-01-30 |
| 4842643 | Apparatus for, purifying a melt, which, besides one or more impurities, essentially contains a light metal, in particular aluminum | — | 1989-06-27 |