Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5250125 | Process for grain refinement of aluminium casting alloys, in particular aluminium/silicon casting alloys | Hubert Koch, Ulrich Hielscher | 1993-10-05 |
| 4224065 | Aluminum base alloy | Manfred Heckler, Heinrich Zoller | 1980-09-23 |