Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7100745 | Equipment at an elevator car for temporarily coupling a car door leaf with a shaft door leaf for actuation of a car door unlocking means | Jürgen Lütolf, Frank Thielow | 2006-09-05 |
| 7097002 | Elevator door drive device | Jürgen Lütolf, Frank Thielow | 2006-08-29 |