Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4845935 | Method and apparatus for threading roving into a running set of drafting rolls | — | 1989-07-11 |
| 4823543 | Apparatus for the spinning of yarn | Wolfgang Igel, Helmut Nickolay, Werner Meissner | 1989-04-25 |