Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4599039 | Method of accumulating stacks of paper sheets or the like | Peter Dose, Friedhelm Herrig | 1986-07-08 |
| 4474093 | Apparatus for accumulating stacks of paper sheets or the like | Peter Dose, Friedhelm Herrig | 1984-10-02 |
| 4249844 | Apparatus for accumulating stacks of note books or the like | Siegfried Lampe | 1981-02-10 |