Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9788474 | Sowing heart control apparatus, sowing heart and single seed drill | Ferdinand Schumacher | 2017-10-17 |
| 9585299 | Sowing share | Ferdinand Schumacher, Michael Winkelmann | 2017-03-07 |