Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6688971 | Chopper arrangement | Walter Hirsch, Adolf Belter, Gerd Bernhardt, Siegfried Firus, Andre Heinrich | 2004-02-10 |
| 6688972 | Combine with chopper arrangement | Gerd Bernhardt, Siegfried Firus, Andre Heinrich | 2004-02-10 |