JC

John H. Crankshaw

DY Dynetics: 1 patents #1 of 1Top 100%
📍 Erie, PA: #8 of 46 inventorsTop 20%
🗺 Pennsylvania: #852 of 3,759 inventorsTop 25%
Overall (1989): #96,013 of 140,708Top 70%
1
Patents 1989

Issued Patents 1989

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4872791 Method of forming crowned gear teeth — 1989-10-10