Issued Patents 2022
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11306478 | Integrally assembled hidden beam hollow two-way floor system and method for assembling the same | Liusheng Duan | 2022-04-19 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11306478 | Integrally assembled hidden beam hollow two-way floor system and method for assembling the same | Liusheng Duan | 2022-04-19 |