Issued Patents 2003
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6619435 | Device for preventing uncontrolled acceleration of an elevator car installed in an elevator installation | Franz Watzke | 2003-09-16 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6619435 | Device for preventing uncontrolled acceleration of an elevator car installed in an elevator installation | Franz Watzke | 2003-09-16 |