Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6563707 | Chassis for mounting component units of an electric switch cabinet for elevators and escalators | Hartmut Engler, Marvin Dehmlow, Andreas Belkner, Vera Else Marta Steifa | 2003-05-13 |
| 6550585 | Hoistway intrusion detection | Axel Steffen Gerwing | 2003-04-22 |