Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5369425 | Device for automatically clamping and releasing recording material and operation of said device | Ralf Balzeit, Gunnar Behrens, Bernd Lassen, Hans Penza, Norbert Roth | 1994-11-29 |
| 5355156 | Device for automatically clamping and releasing recording material and operation of said device | Ralf Balzeit, Gunnar Behrens, Bernd Lassen, Hans Penza, Norbert Roth | 1994-10-11 |