Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6223609 | Apparatus for measuring the thickness and/or irregularities of a running sliver | Ferdinand Leifeld | 2001-05-01 |
| 6154931 | Device for loading the upper drawing rolls in a draw frame and method | — | 2000-12-05 |