Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9567190 | Device for preventing excessive speed of a door leaf caused by a power accumulator | Peter Sax | 2017-02-14 |
| 9181065 | Drive regulating device arranged at elevator car door lintel | Erich Schumacher, Jules Christen, Nicolas Gremaud | 2015-11-10 |