Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4830299 | Tube gripping system for a winder chuck | Heinz Mutter, Erwin Holbein | 1989-05-16 |
| 4817896 | Thread-catching device for winding machines | Peter Busenhart, Heinz Oswald | 1989-04-04 |
| 4811910 | Chuck structure | Peter Busenhart, Erwin Holbein, Armin Wirz, Adolf Flueli, Hansueli Maier | 1989-03-14 |