Issued Patents 2023
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11598690 | Apparatus for detecting air tightness | Darning Zhou, Zhiju Ma, Gaoning Chen | 2023-03-07 |
| D980018 | Dispenser | — | 2023-03-07 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11598690 | Apparatus for detecting air tightness | Darning Zhou, Zhiju Ma, Gaoning Chen | 2023-03-07 |
| D980018 | Dispenser | — | 2023-03-07 |