Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4819415 | Automatically adjustable doffer column for a cotton picker | Jonathan L. Engelstad | 1989-04-11 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4819415 | Automatically adjustable doffer column for a cotton picker | Jonathan L. Engelstad | 1989-04-11 |