Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8893858 | Method and system for determining safety of elevator | Juan Shi, Yixuan Zou | 2014-11-25 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8893858 | Method and system for determining safety of elevator | Juan Shi, Yixuan Zou | 2014-11-25 |