Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9803984 | Navigation method, device for navigation and navigation system | Hao Luan, Yingfeng Zhang | 2017-10-31 |
| 6041672 | Recirculation ball-screw device | — | 2000-03-28 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9803984 | Navigation method, device for navigation and navigation system | Hao Luan, Yingfeng Zhang | 2017-10-31 |
| 6041672 | Recirculation ball-screw device | — | 2000-03-28 |