Issued Patents 2011
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7913818 | Elevator installation in a building with at least one transfer floor | Hans Kocher | 2011-03-29 |
| 7882934 | Elevator installation in a building with at least one transfer floor | Hans Kocher, Jean-Philippe Escher | 2011-02-08 |