Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6878292 | Filter device | Bjorn Hedin, Lars Svensson | 2005-04-12 |
| 4477983 | Method of ventilating cylinder pockets in a cylinder dryer and apparatus for carrying out the method | Karl-Hugo Andersson | 1984-10-23 |