Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9877422 | Drawn agricultural machine | Alfonsus Jacobus Van Den Engel | 2018-01-30 |
| 8646798 | Drawn agricultural machine | Alfonsus Jacobus Van Den Engel | 2014-02-11 |
| 6250058 | Rotary hayraking implement for uneven terrains | Maarten Koorn | 2001-06-26 |
| 6164051 | Machine combination, a rake and pick-up and displacing member, as well as a method | Olaf van der Lely, Alfonsus Jacobus Van Den Engel | 2000-12-26 |