Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9296590 | Safety device for braking an elevator cage | Hans Kocher, Astrid Sonnenmoser | 2016-03-29 |
| 7882934 | Elevator installation in a building with at least one transfer floor | Hans Kocher, Stephan Jans | 2011-02-08 |