Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5075968 | Method for production of an air jet nozzle | Herbert Stalder | 1991-12-31 |
| 4997528 | Mold for, and method of, fabricating a perforated body and perforated body for use as a friction spinning element | — | 1991-03-05 |
| 4972667 | Apparatus for and method of stopping fiber-material feed | — | 1990-11-27 |
| 4968525 | Method for production of friction spinning means | Herbert Stalder, Urs Keller, Emil Briner, Arthur Wurmli | 1990-11-06 |
| 4901518 | Open end friction spinning device for production of a yarn or the like | Herbert Stalder, Urs Keller, Emil Briner, Arthur Wurmli | 1990-02-20 |
| 4882015 | Method for manufacturing a perforated body, friction spinning means using the perforated body and a friction spinning device using the friction spinning means | — | 1989-11-21 |
| 4848079 | Friction spinning drum | Herbert Stalder, Urs Keller, Emil Briner | 1989-07-18 |