RE

Raymond A. Entriken

EC Epworth Manufacturing Co.: 1 patents #4 of 5Top 80%
📍 Harrison, OH: #19 of 26 inventorsTop 75%
🗺 Ohio: #42,657 of 73,341 inventorsTop 60%
Overall (All Time): #3,979,477 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4684072 Blade for centrifugal media mill Roy A. Nelson, Randolph C. Grieves 1987-08-04