Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4791706 | Method and apparatus for evening the sliver produced by a card | Ulrich Hoffmann, Heinrich Rake | 1988-12-20 |
| 4776065 | Fiber sliver or lap evening apparatus for a carding machine | Heinrich Rake | 1988-10-11 |