Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6251154 | Dust bag and method of production | — | 2001-06-26 |
| 5630940 | Filter device for the filtration of fluids | Bertus Dijkman | 1997-05-20 |
| 5505852 | Filter element for the filtration of fluids | — | 1996-04-09 |