Issued Patents 2021
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11034054 | Prefabricated stairs modular assembly mold and assembling method thereof | Hong Chang, Junwu Xia, Xiaofang Xiang | 2021-06-15 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11034054 | Prefabricated stairs modular assembly mold and assembling method thereof | Hong Chang, Junwu Xia, Xiaofang Xiang | 2021-06-15 |