Issued Patents 2018
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9936728 | Method and device for forming cigarette filter rod | Xu Wang, Yigang Tong, Yong Si | 2018-04-10 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9936728 | Method and device for forming cigarette filter rod | Xu Wang, Yigang Tong, Yong Si | 2018-04-10 |