Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4754413 | Method for operating an extruder | Finn Kroksnes | 1988-06-28 |
| 4608218 | Method for the vulcanization of pneumatic tires | Karl-Heinz Rummler, Willi Sievers, Karl-Henning Dette, Romeo Luscalu | 1986-08-26 |