RD

Robert Benjamin Donnally

DI Dresser Industries: 1 patents #6 of 56Top 15%
📍 Shanghai, OH: #1 of 1 inventorsTop 100%
Overall (1982): #35,163 of 81,411Top 45%
1
Patents 1982

Issued Patents 1982

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4339225 Power shovel crowd drive assembly Mark W. Trevithick 1982-07-13