Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12123256 | Rechargeable electric externally-hung venetian blind assembly | Chengzhe Jin | 2024-10-22 |
| 11421472 | Hollow louver top operating system | Chengzhe Jin, Renzhe Jin | 2022-08-23 |