Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11554936 | Moving a heavy overload with an elevator | Andre Weibel, Robert Stalder | 2023-01-17 |
| 9061864 | Method for operating elevators to test brakes | Erich Spirgi, Daniel Bossard, Danilo Peric, Urs Ammon, Urs Polin +2 more | 2015-06-23 |