Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4882812 | Opening roller for an opening device of an open-end spinning machine | Eugen Bader | 1989-11-28 |
| 4866927 | Process for producing an open-end spinning rotor | Siegfried Kalitzki | 1989-09-19 |
| 4805395 | Opening roller for an opening device of an open-end spinning machine | Fritz Stahlecker, Hans Stahlecker, Eugen Bader | 1989-02-21 |