Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5157904 | Sugar-cane harvesting machine | Hillrich Otten, Karl Landwehr, Walter Foegeling, Rudolf Arnold | 1992-10-27 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5157904 | Sugar-cane harvesting machine | Hillrich Otten, Karl Landwehr, Walter Foegeling, Rudolf Arnold | 1992-10-27 |