RD

Robert E. Diffenderfer

📍 Jackson, MI: #2 of 14 inventorsTop 15%
🗺 Michigan: #416 of 1,972 inventorsTop 25%
Overall (1982): #20,858 of 81,411Top 30%
1
Patents 1982

Issued Patents 1982

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4308886 Curb box Edward W. Handley, Richard E. Hammond 1982-01-05