Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7018437 | Separator | Paul Roth, Helmut Grassinger | 2006-03-28 |
| 6899747 | Separator for a wet vacuum device and method for separating dirt and dust particles as well as water droplets from an air/gas stream of a wet vacuum device | Paul Roth, Helmut Grassinger | 2005-05-31 |