Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7156901 | Apparatus for simultaneous cleaning of a liquid and a gas | Ingvar Hallgren, Leif Larsson | 2007-01-02 |
| 7081146 | Apparatus for simultaneous cleaning of a liquid and a gas | Ingvar Hallgren, Leif Larsson | 2006-07-25 |