Issued Patents 2004
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6715332 | Method of drawing metal workpieces and drawing unit for a drawing machine | Hermann-Josef Klingen, Karl Hausler | 2004-04-06 |
| 6688152 | Modular drawing apparatus and drawing | Hermann-Josef Klingen, Karl Hausler | 2004-02-10 |
| 6684675 | Drawing machine | Hermann-Josef Klingen, Ralf Bonsels, Thomas Winterfeldt | 2004-02-03 |