Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6423912 | Manually operated device having a turning handle for electrical switching devices | Rainer Arenz | 2002-07-23 |
| 5590835 | Atomization attachment for a Liquid container | Karl-Heinz Rosenthal | 1997-01-07 |
| 5540344 | Originality-ensuring device for container closures | Karl-Heinz Rosenthal | 1996-07-30 |