Issued Patents 2022
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11268318 | Frame forming structure for use with frame and sash of aluminium-wood combined door/window | Chengming Dong, Chengjie He | 2022-03-08 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11268318 | Frame forming structure for use with frame and sash of aluminium-wood combined door/window | Chengming Dong, Chengjie He | 2022-03-08 |