Issued Patents 2003
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6538574 | Device for signaling the position of an elevator car in the case of passenger evacuation | — | 2003-03-25 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6538574 | Device for signaling the position of an elevator car in the case of passenger evacuation | — | 2003-03-25 |