Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4845936 | Process and device to piece back to a spinning device operating with a pneumatic torsion element | Harald Dallmann, Kurt Ziegler, Gerhard Egbers | 1989-07-11 |
| 4825633 | Process and device for the spinning of fibers | Kurt Ziegler, Harald Dallmann, Gerhard Egbers | 1989-05-02 |
| 4802330 | Combined carpet yarns by open end rotor spinning | Paul W. Yngve, Gerhard Egbers, Ullrich Stark, Heinz Muller | 1989-02-07 |