Issued Patents 2019
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10432020 | Emergency back-up power system for traction elevators | — | 2019-10-01 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10432020 | Emergency back-up power system for traction elevators | — | 2019-10-01 |