Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7401692 | Device for restraining the rise of a step roller of an escalator | — | 2008-07-22 |
| 7357241 | Device for restraining the rise of a step roller of a people conveyor | Rainer Schmidt, Andreas Stuffel | 2008-04-15 |