Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4931229 | Method and apparatus for protecting a screw extruder producing strand-shaped explosives and propellants | Heinz Krimmel, Manfred Muller-Sybrichs, Ulrich Weller | 1990-06-05 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4931229 | Method and apparatus for protecting a screw extruder producing strand-shaped explosives and propellants | Heinz Krimmel, Manfred Muller-Sybrichs, Ulrich Weller | 1990-06-05 |