Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5009219 | Heating device | — | 1991-04-23 |
| 4538949 | Conveyor for conveying silage or the like material | Cornelis H. Liet | 1985-09-03 |
| 4341354 | Device for cutting out and transporting a silage block | Cornelis Hendricus Liet | 1982-07-27 |
| 4336732 | Device for cutting out and transporting a silage block | Cornelis Hendricus Liet | 1982-06-29 |
| 4188759 | Sheet for constructing the wall of a substantially cylindrical silo; as well as substantially cylindrical silo | Cornelis H. Liet | 1980-02-19 |