Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9908746 | Elevator system sound reducing assembly and method | Zheng Yu, Lili Ren, Takeshi Minowa | 2018-03-06 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9908746 | Elevator system sound reducing assembly and method | Zheng Yu, Lili Ren, Takeshi Minowa | 2018-03-06 |