Issued Patents 1989
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4858420 | Pneumatic false-twist spinning process and apparatus | Fritz Stahlecker | 1989-08-22 |
| 4854119 | Arrangement for open-end rotor spinning | Fritz Stahlecker, Wolfgang Feuchter | 1989-08-08 |
| 4854523 | Twisted yarn feed spool and process for producing same | Fritz Stahlecker | 1989-08-08 |
| 4835957 | Open-end spinning machine | Fritz Stahlecker | 1989-06-06 |
| 4819422 | Arrangement for winding a double yarn onto a cross-wound spool | Fritz Stahlecker | 1989-04-11 |
| 4819419 | Arrangement for pneumatic false-twist spinning | Fritz Stahlecker | 1989-04-11 |
| 4805395 | Opening roller for an opening device of an open-end spinning machine | Fritz Stahlecker, Gerhard Fetzer, Eugen Bader | 1989-02-21 |
| 4796421 | Arrangement for open-end rotor spinning | Fritz Stahlecker | 1989-01-10 |