Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7775327 | Method and system for stopping elevators using AC motors driven by static frequency converters | Detlev Abraham | 2010-08-17 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7775327 | Method and system for stopping elevators using AC motors driven by static frequency converters | Detlev Abraham | 2010-08-17 |