JB

James B. Black

TD Twin Disc: 1 patents #3 of 6Top 50%
📍 Roscoe, IL: #2 of 9 inventorsTop 25%
🗺 Illinois: #566 of 2,749 inventorsTop 25%
Overall (1982): #56,882 of 81,411Top 70%
1
Patents 1982

Issued Patents 1982

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4326433 Hydraulically controlled power transmission having friction plate clutches for selectively engaging a plurality of change speed gears Darwin D. Behlke, Horst G. Steinhagen 1982-04-27