Issued Patents 2019
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10501976 | Gear structure spring hinge | Meiyuan Cheng | 2019-12-10 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10501976 | Gear structure spring hinge | Meiyuan Cheng | 2019-12-10 |