Issued Patents 2025
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12330915 | Elevator system having a circuit with a switch monitored by means of an AC voltage signal | Astrid Sonnenmoser, Kurt Heinz, Thomas Hartmann | 2025-06-17 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12330915 | Elevator system having a circuit with a switch monitored by means of an AC voltage signal | Astrid Sonnenmoser, Kurt Heinz, Thomas Hartmann | 2025-06-17 |