DJ

Douglas Johnson

📍 Prospect Park, PA: #1 of 3 inventorsTop 35%
🗺 Pennsylvania: #2,519 of 7,891 inventorsTop 35%
Overall (2019): #483,422 of 560,194Top 90%
1
Patents 2019

Issued Patents 2019

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
10494092 Modular and morphable air vehicle John W. Piasecki, Frederick W. Piasecki, Brian Geiger, David Pitcairn 2019-12-03