Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12398594 | Screen doors | Jianxun ZHANG, Yi Cao, Enci Chang, Minghui Chen | 2025-08-26 |
| 11952829 | Adjustable door sill | Minghui Chen, Yi Cao, James W. Meeks | 2024-04-09 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12398594 | Screen doors | Jianxun ZHANG, Yi Cao, Enci Chang, Minghui Chen | 2025-08-26 |
| 11952829 | Adjustable door sill | Minghui Chen, Yi Cao, James W. Meeks | 2024-04-09 |