RH

Raymond S. Holdren

📍 West Liberty, OH: #16 of 26 inventorsTop 65%
🗺 Ohio: #42,657 of 73,341 inventorsTop 60%
Overall (All Time): #4,110,052 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4198186 Silo dig out tool John A. Holdren 1980-04-15