Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6823969 | Braking device for an elevator | Oliver Simmonds, Stefan Hugel, Peter Mori, Peter Aeschlimann | 2004-11-30 |
| 6805223 | Device for blocking a safety brake for lift equipment | Stefan Hugel | 2004-10-19 |