Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9752351 | Environment friendly metal mechanical password lock cylinder capable of setting repeated password keys | Fenghao YANG | 2017-09-05 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9752351 | Environment friendly metal mechanical password lock cylinder capable of setting repeated password keys | Fenghao YANG | 2017-09-05 |