Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6170777 | Load roll arrangement | G. Walter Dorfel | 2001-01-09 |
| 6076762 | Rider roller assembly | G. Walter Dorfel, Gaston Boehm | 2000-06-20 |
| 4592259 | Method for controlling the position of the cutting edges of longitudinal web cutting blades and a longitudinal cutting apparatus utilizing the same | Heinz Zeyher | 1986-06-03 |
| 4485980 | Supporting roller winding apparatus | — | 1984-12-04 |