Issued Patents 1989
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4850543 | Reciprocating device for a lifter rod of an open-end spinning machine | Reinhold Schmid, Hans-Willi Esser | 1989-07-25 |
| 4843812 | Open-end rotor spinning device with improved twist choking member | — | 1989-07-04 |
| 4825631 | Method for piecing a thread formed in an open-end spinning device | — | 1989-05-02 |
| 4825632 | Method and device for monitoring the piecers in an open-end spinning assembly | Helmut Schlosser, Joachim Ruge, Heinz-Dieter Goebbels, Manfred Lassmann, Norbert Schippers | 1989-05-02 |