Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4864694 | Apparatus for controlling the sliver drafting arrangement in a textile draw frame | Gerhard Stahle | 1989-09-12 |
| 4819301 | Method and apparatus for controlling the drafting of sliver in a drawing frame | Gerhard Stahle | 1989-04-11 |
| 4812993 | Method and means for controlling the drafting of sliver in a draw frame | Gerhard Stahle | 1989-03-14 |