Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6755879 | Bag filter device | — | 2004-06-29 |
| 5302354 | Filtration device | Staffan B. Linnersten | 1994-04-12 |
| 4825955 | Plough reversing method | — | 1989-05-02 |
| 4646849 | Reversible plough having a reversing and adjustment mechanism | — | 1987-03-03 |
| 4603745 | Plough reversing mechanism | — | 1986-08-05 |