EC

Eugene E. Calkins

BL Blount: 1 patents #3 of 9Top 35%
📍 Salem, OR: #4 of 19 inventorsTop 25%
🗺 Oregon: #179 of 893 inventorsTop 25%
Overall (1989): #116,019 of 140,708Top 85%
1
Patents 1989

Issued Patents 1989

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4876796 Sprocket assembly for chain saws Michael V. Petrovich 1989-10-31