DD

Donald James Duncalf

📍 Fort Myers, FL: #123 of 489 inventorsTop 30%
🗺 Florida: #16,597 of 67,251 inventorsTop 25%
Overall (All Time): #1,491,222 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
9617854 Hybrid vehicles with radial engines Tai Dung Nguyen, Tue Nguyen 2017-04-11
9316101 Hybrid vehicles with radial engines Tai Dung Nguyen, Tue Nguyen 2016-04-19
8770158 Hybrid vehicles with radial engines Tai Dung Nguyen, Tue Nguyen 2014-07-08