Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10479538 | External vacuum sealer | Xinzhai Zheng, Jiongxian Chen | 2019-11-19 |
| 9764868 | Cavity-type vacuum sealing machine | Xinzhai Zheng | 2017-09-19 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10479538 | External vacuum sealer | Xinzhai Zheng, Jiongxian Chen | 2019-11-19 |
| 9764868 | Cavity-type vacuum sealing machine | Xinzhai Zheng | 2017-09-19 |