Issued Patents 2023
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11648425 | Chemical oxygen self-rescue device | Xiaowei Liu, Long Zhang, Hao Ding, Zhi-Jian Li | 2023-05-16 |
| 11559707 | Oxygen candle | Aiping Ma | 2023-01-24 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11648425 | Chemical oxygen self-rescue device | Xiaowei Liu, Long Zhang, Hao Ding, Zhi-Jian Li | 2023-05-16 |
| 11559707 | Oxygen candle | Aiping Ma | 2023-01-24 |