Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4796487 | High torque drive means for two very close shafts which are also subjected to strong axial thrusts and application thereof to a double screw extruder | — | 1989-01-10 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4796487 | High torque drive means for two very close shafts which are also subjected to strong axial thrusts and application thereof to a double screw extruder | — | 1989-01-10 |