Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4844205 | Stopping control for an elevator | — | 1989-07-04 |
| 4828075 | Elevator drive control apparatus for smooth start-up | Horst Woyciel | 1989-05-09 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4844205 | Stopping control for an elevator | — | 1989-07-04 |
| 4828075 | Elevator drive control apparatus for smooth start-up | Horst Woyciel | 1989-05-09 |