Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4798271 | Combination normal-sowing and fine-sowing wheel with integral stop | Bernd Gattermann, Bernhard Steenken, Franz Grosse-Scharmann | 1989-01-17 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4798271 | Combination normal-sowing and fine-sowing wheel with integral stop | Bernd Gattermann, Bernhard Steenken, Franz Grosse-Scharmann | 1989-01-17 |