WS

William L. Stevenson

CC Crown Iron Works Company: 2 patents #1 of 5Top 20%
📍 Roseville, MN: #3 of 27 inventorsTop 15%
🗺 Minnesota: #129 of 2,022 inventorsTop 7%
Overall (1989): #12,930 of 140,708Top 10%
2
Patents 1989

Issued Patents 1989

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4869910 Method of conditioning oil seeds and similar materials Joe C. Givens, Darcy Moses, William L. Kratochwill, George E. Anderson 1989-09-26
4865633 Separator 1989-09-12