Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7617912 | Method and apparatus for operating an elevator system | Philippe Henneau, Christoph Liebetrau | 2009-11-17 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7617912 | Method and apparatus for operating an elevator system | Philippe Henneau, Christoph Liebetrau | 2009-11-17 |