Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8387498 | Method for cutting stacks of sheet material | — | 2013-03-05 |
| 7810801 | Apparatus and method for separating and aerating a stack of sheet material | — | 2010-10-12 |
| 6959634 | Device for die cutting a stack consisting of sheet-type materials | Helmut Gross, Werner Bauer, Gerhard Becker, Gerd Gottschalk, Richard Neubauer +1 more | 2005-11-01 |
| 5784940 | Machine for cutting flat stock | Helmut Gross | 1998-07-28 |
| 4862919 | Hydraulic control system for a multi-position valve | — | 1989-09-05 |