Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4923014 | Agricultural implement with gas springs and control | — | 1990-05-08 |
| 4864806 | Mowing device with forced air supply | — | 1989-09-12 |
| 4815264 | Mowing device with improved disc configuration and blade attachment | — | 1989-03-28 |
| 4401022 | Device for baling agricultural crop | Hermanus H. Vissers | 1983-08-30 |
| 4366877 | Power transferring coupling device for a tractor and an implement hitched thereto | Hermanus H. Vissers | 1983-01-04 |
| 4267688 | Mowing device | Hermanus H. Vissers | 1981-05-19 |