Ralph E. Cullen

📍 Shorewood, MN: #2 of 3 inventorsTop 70%

🗺 Minnesota: #156 of 1,035 inventorsTop 20%

Overall (1982): #37,859 of 81,411Top 50%

Patents 1982

Issued Patents 1982

Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date
4358143	Roll lift and transfer apparatus	—	1982-11-09