Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11034054 | Prefabricated stairs modular assembly mold and assembling method thereof | Junwu Xia, Xiaofang Xiang, Xia Bai | 2021-06-15 |
| 4532844 | Device for supporting a circular saw of sawing machine | Jen-wen Chang | 1985-08-06 |