DM

Daniel J. Maffey

📍 Olney, MD: #144 of 207 inventorsTop 70%
🗺 Maryland: #19,431 of 35,612 inventorsTop 55%
Overall (All Time): #3,402,982 of 4,157,543Top 85%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
7306254 Trailer kingpin locking device Constant O. Maffey 2007-12-11