Issued Patents 2021
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11072516 | Safety apparatus for an escalator and an escalator comprising the safety apparatus | Wenming Lou, Bo Liu | 2021-07-27 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11072516 | Safety apparatus for an escalator and an escalator comprising the safety apparatus | Wenming Lou, Bo Liu | 2021-07-27 |