Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6715332 | Method of drawing metal workpieces and drawing unit for a drawing machine | Hermann-Josef Klingen, Norbert Zillekens | 2004-04-06 |
| 6688152 | Modular drawing apparatus and drawing | Hermann-Josef Klingen, Norbert Zillekens | 2004-02-10 |