Issued Patents 2011
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7946392 | Drive for an elevator door with a displacement curve adapted to the air flows in the shaft | — | 2011-05-24 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7946392 | Drive for an elevator door with a displacement curve adapted to the air flows in the shaft | — | 2011-05-24 |