Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4793558 | Device for dissemination of a spreadable material | Gerrit J. Lamfers | 1988-12-27 |
| 4688377 | Apparatus for farming vegetation lying on the ground | Hermanus H. Vissers | 1987-08-25 |
| 4329837 | Agricultural implement for working crop lying on the field | Hermanus H. Vissers | 1982-05-18 |