RJ

Ralph M. McLean, Jr.

📍 Chesterfield, MO: #40 of 244 inventorsTop 20%
🗺 Missouri: #150 of 859 inventorsTop 20%
Overall (1989): #37,914 of 140,708Top 30%
1
Patents 1989

Issued Patents 1989

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4796538 Hold down bar for rail car hatch covers James C. Bates 1989-01-10