DM

Dwayne Maddox

📍 London, OH: #87 of 155 inventorsTop 60%
🗺 Ohio: #42,657 of 73,341 inventorsTop 60%
Overall (All Time): #3,067,405 of 4,157,543Top 75%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
9116078 Soil sampler and method David Scheiderer, Michel Grand 2015-08-25