Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4745789 | Apparatus for separating pressure plates from extrusion residues of metal extruded with a shell | Josef Ahrweiler | 1988-05-24 |
| 4206626 | Extrusion press for extruding tubes | Horst Groos, Siegfried Hoffmeier | 1980-06-10 |