Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4817896 | Thread-catching device for winding machines | Heinz Oswald, Ruedi Schneeberger | 1989-04-04 |
| 4811910 | Chuck structure | Ruedi Schneeberger, Erwin Holbein, Armin Wirz, Adolf Flueli, Hansueli Maier | 1989-03-14 |