Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6820407 | Opening arrangement for an open-end spinning frame | Helmut Feuerlohn | 2004-11-23 |
| 6792744 | Spinning device for producing a spun yarn by means of a circulating air flow | Helmut Feuerlohn | 2004-09-21 |