Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11203481 | Double-layer container | Yufan Ding | 2021-12-21 |
| 10850481 | Paper cup and its manufacturing process | — | 2020-12-01 |
| 10493735 | Paper cup and its manufacturing process | — | 2019-12-03 |