JD

James L. Duffy

WB Westinghouse Air Brake: 1 patents #129 of 220Top 60%
📍 Burr Ridge, IL: #90 of 150 inventorsTop 60%
🗺 Illinois: #48,934 of 84,256 inventorsTop 60%
Overall (All Time): #3,707,390 of 4,157,543Top 90%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5590797 Friction clutch mechanism for high capacity draft gear assembly and method of reconditioning draft gear with such friction clutch mechanism David W. Daugherty, Jr., Wajih Kanjo, Rudi E. George 1997-01-07