Issued Patents All Time
Showing 26–28 of 28 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6193019 | Device for localization of a door breakdown | Gerard Sirigu | 2001-02-27 |
| 6173813 | Electronic control for an elevator braking system | Vincent Raillard, Gerard Sirigu | 2001-01-16 |
| 6138799 | Belt-climbing elevator having drive in counterweight | Helmut Schroder-Brumloop, Jean Marc Ferrary, Armando Servia, Richard J. Ericson | 2000-10-31 |