Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5689945 | Drawing unit for a fine-spinning machine, in particular a jet-spinning machine | Reto Debrunner, Martin Witschi | 1997-11-25 |
| 5379581 | Apparatus for reverse-threading a central yarn-spinning passage | — | 1995-01-10 |