Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11910744 | Differential speed stalk rolls | Richard Gramm, Corbin Fehr, Robert Schlipf | 2024-02-27 |
| 10874052 | Differential speed stalk rolls | Rich Gramm, Corbin Fehr, Robert Schlipf | 2020-12-29 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11910744 | Differential speed stalk rolls | Richard Gramm, Corbin Fehr, Robert Schlipf | 2024-02-27 |
| 10874052 | Differential speed stalk rolls | Rich Gramm, Corbin Fehr, Robert Schlipf | 2020-12-29 |