Issued Patents 2017
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9758347 | Arrangement and method to move at least two elevator cars independently in at least one hoistway | Frank Dudde | 2017-09-12 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9758347 | Arrangement and method to move at least two elevator cars independently in at least one hoistway | Frank Dudde | 2017-09-12 |