Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4878784 | Feed chute arrangement for textile machines, such as carding machines | Paul Staeheli, Urs Staehli, Fritz Knabenhans | 1989-11-07 |
| 4821503 | Method and apparatus for monitoring a predetermined yarn quality at a textile machine, especially at a false-twist jet spinning apparatus | Herbert Stalder, Peter Egloff, Josef Baumgartner | 1989-04-18 |
| 4819421 | Method and apparatus for monitoring a predetermined yarn quality at a textile machine, especially at a friction spinning apparatus | Herbert Stalder, Peter Egloff, Josef Baumgartner | 1989-04-11 |