DR

Dave Ruthven

📍 Wyoming, MI: #155 of 261 inventorsTop 60%
🗺 Michigan: #49,615 of 86,293 inventorsTop 60%
Overall (All Time): #3,432,709 of 4,157,543Top 85%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
7129442 Welding machine Jeffrey O. Geary, David Paul De Young 2006-10-31