Issued Patents 2017
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9726293 | Emergency shut-off valve | Ji Feifei | 2017-08-08 |
| 9656748 | VTOL aircraft with a thrust-to-weight ratio smaller than 0.1 | — | 2017-05-23 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9726293 | Emergency shut-off valve | Ji Feifei | 2017-08-08 |
| 9656748 | VTOL aircraft with a thrust-to-weight ratio smaller than 0.1 | — | 2017-05-23 |