Issued Patents 2019
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10392788 | Multi-layer water sealing device and multi-layer water sealing method | Xiangqian Chen | 2019-08-27 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10392788 | Multi-layer water sealing device and multi-layer water sealing method | Xiangqian Chen | 2019-08-27 |