Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11339043 | Wine fresh-keeping device | Cuiting Chen | 2022-05-24 |
| 11339044 | Wine taking device used in wine fresh-keeping device | Cuiting Chen | 2022-05-24 |
| 11192769 | Hollow needle insertion structure used in wine fresh-keeping device | Cuiting Chen | 2021-12-07 |