DD

Dawei Dong

🗺 California: #15,013 of 68,989 inventorsTop 25%
Overall (2020): #182,165 of 565,922Top 35%
2
Patents 2020

Issued Patents 2020

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
10723449 Helicopter using electric propeller torque arm as power source driving main rotor 2020-07-28
10604241 Helicopter using electric propeller torque arm as a power source to drive a main rotor 2020-03-31