Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5114062 | Roll for guiding web type material | Friedrich Kuhn, Wolfgang Drefs, Hans-Albrecht Ruff | 1992-05-19 |
| 4969609 | Winding machine for paper or cardboard webs | — | 1990-11-13 |
| 4867389 | Chuck for winding cores | — | 1989-09-19 |
| 4576343 | Double supporting roller winding machine | Friedrich Kuhn | 1986-03-18 |