Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6729767 | Step bearing for axial support of an open-end spinning rotor | Manfred Knabel | 2004-05-04 |
| 6688775 | Support disk for a support disk bearing for spin rotors | Manfred Knabel | 2004-02-10 |