DC

Douglas Challis

📍 Cartier, CA: #1 of 3 inventorsTop 35%
Overall (All Time): #2,070,415 of 4,157,543Top 50%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
8424798 Aircraft with helicopter rotor, thrust generator and assymetric wing configuration — 2013-04-23
8336808 Aircraft having helicopter rotor and front mounted propeller — 2012-12-25