ER

E. William Rowland-Hill

SP Sperry: 1 patents #30 of 162Top 20%
🗺 Pennsylvania: #570 of 2,652 inventorsTop 25%
Overall (1982): #68,128 of 81,411Top 85%
1
Patents 1982

Issued Patents 1982

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4328815 Divider feed means for axial flow combine 1982-05-11