DF

Douglas J. Frederick

📍 Potomac, MD: #28 of 88 inventorsTop 35%
🗺 Maryland: #714 of 3,049 inventorsTop 25%
Overall (2025): #402,402 of 469,880Top 90%
1
Patents 2025

Issued Patents 2025

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
12351264 System for creating downforce on a wheeled vehicle 2025-07-08