Issued Patents 1989
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4884640 | Soil cultivating implements | Ary van der Lely | 1989-12-05 |
| 4864809 | Machine for working grass, hay or other crops on the field | Ary van der Lely | 1989-09-12 |
| 4842202 | Spreader | Ary van der Lely | 1989-06-27 |
| 4838207 | Implement for and a method of milking an animal | Karel Van Den Berg | 1989-06-13 |
| 4834296 | Device for spreading granular and/or powdery material | Ary van der Lely | 1989-05-30 |
| 4827704 | Mowing machine | Edwin van der Lely | 1989-05-09 |
| 4805557 | Method of and an implement for milking an animal | Ary van der Lely | 1989-02-21 |