Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5295775 | Method of and apparatus for making books | Milan Andjelic, Jens Punner | 1994-03-22 |
| 4746395 | Apparatus for bonding stacked sheets to one another | Bernd Ramcke | 1988-05-24 |
| 4580937 | Apparatus for back stripping stacks of paper sheets or the like | Bernd Ramcke | 1986-04-08 |
| 4511300 | Apparatus for gathering writing pads or the like | Heinz Lehmann, Peter Dose | 1985-04-16 |
| 4403899 | Apparatus for gathering writing pads or the like | Heinz Lehmann | 1983-09-13 |
| 4249844 | Apparatus for accumulating stacks of note books or the like | Siegmar Neubuser | 1981-02-10 |