Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10329117 | Energy-saving traction-type elevator | Rongwei Ye, Xiuxiu Wang, Dazhi He | 2019-06-25 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10329117 | Energy-saving traction-type elevator | Rongwei Ye, Xiuxiu Wang, Dazhi He | 2019-06-25 |