Issued Patents 2021
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11208297 | Power switch device for an oiler of an escalator or a moving walk | Minmin SHAO, Jian Zhou, Hengyuan GAO | 2021-12-28 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11208297 | Power switch device for an oiler of an escalator or a moving walk | Minmin SHAO, Jian Zhou, Hengyuan GAO | 2021-12-28 |