Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10487563 | Maintenance system for monitoring a gate device and method for monitoring a gate device | — | 2019-11-26 |
| 10294708 | Servicing and monitoring system for monitoring a door member | CHRISTIAN LEESER | 2019-05-21 |
| 10290204 | Maintenance system and method for maintenance of a door arrangement | Bernd Kagerer | 2019-05-14 |
| 9151865 | Method and system for sensing light reflective surfaces in a reflective photo-electric sensing system including a light channeling device and a foreground suppression performance | — | 2015-10-06 |