Issued Patents 2023
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11841092 | Stem seals with triangular rings | Changxiang Xu | 2023-12-12 |
| 11809856 | Over the air modem firmware upgrade based on mesh network | Wei Wu, Feng SU, Zhiyu Wang | 2023-11-07 |
| 11543053 | Stem seals with triangular rings | Changxiang Xu | 2023-01-03 |