DM

David B. Marshall

RI Rockwell International: 1 patents #22 of 186Top 15%
📍 Holden, MO: #8 of 31 inventorsTop 30%
🗺 Missouri: #150 of 859 inventorsTop 20%
Overall (1989): #122,443 of 140,708Top 90%
1
Patents 1989

Issued Patents 1989

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4879537 Magnetic suspension and magnetic field concentration using superconductors Roger E. De Wames, Peter E. D. Morgan, Joseph J. Ratto 1989-11-07