Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5768881 | Yarn withdrawal nozzle for an open-end spinning machine | — | 1998-06-23 |
| 4833874 | Yarn package exchange device and apparatus for spinning machines for double prestrengthened yarn | Fritz Stahlecker | 1989-05-30 |
| 4548030 | Open end yarn spinning apparatus having rotor cleaning means | Wolfgang Feuchter | 1985-10-22 |