Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4858745 | Escalator steps having lateral safety devices | Joris Schroder | 1989-08-22 |
| 4711323 | Door drive for doors of elevator cars | — | 1987-12-08 |
| 4588049 | Double panel sliding door, especially for elevators | — | 1986-05-13 |
| 4564087 | Double panel sliding door, especially for elevators | — | 1986-01-14 |
| 4489527 | Lift landing door frame arrangement | — | 1984-12-25 |