DB

Douglas Du Brock

📍 Rosemont, IL: #21 of 30 inventorsTop 70%
🗺 Illinois: #48,934 of 84,256 inventorsTop 60%
Overall (All Time): #3,373,271 of 4,157,543Top 85%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
7468010 Apparatus and method for training a baseball player to hit a baseball 2008-12-23