Issued Patents 1989
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4854118 | Methof of, and apparatus for, producing a friction spun yarn | Emil Briner, Urs Keller | 1989-08-08 |
| 4848079 | Friction spinning drum | Urs Keller, Werner Oeggerli, Emil Briner | 1989-07-18 |
| 4821503 | Method and apparatus for monitoring a predetermined yarn quality at a textile machine, especially at a false-twist jet spinning apparatus | Peter Egloff, Rolf Binder, 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 | Peter Egloff, Rolf Binder, Josef Baumgartner | 1989-04-11 |