Issued Patents 2022
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11439987 | Multi-region TWC for treatment of exhaust gas from gasoline engine | Dongsheng QIAO, Xiang ZHENG | 2022-09-13 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11439987 | Multi-region TWC for treatment of exhaust gas from gasoline engine | Dongsheng QIAO, Xiang ZHENG | 2022-09-13 |