JN

Jack R. Nelson

📍 Springfield, MO: #4 of 19 inventorsTop 25%
🗺 Missouri: #150 of 859 inventorsTop 20%
Overall (1989): #99,699 of 140,708Top 75%
1
Patents 1989

Issued Patents 1989

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4872520 Flat bottom drilling bit with polycrystalline cutters — 1989-10-10