JC

John B. Carroll

WB Westinghouse Air Brake: 2 patents #2 of 29Top 7%
📍 Irwin, PA: #2 of 15 inventorsTop 15%
🗺 Pennsylvania: #357 of 4,234 inventorsTop 9%
Overall (1994): #29,809 of 165,921Top 20%
2
Patents 1994

Issued Patents 1994

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
5350222 Auxiliary stabilizer valve for VX vent valve 1994-09-27
5333941 High pressure valve for railway car brake control valve device James E. Hart 1994-08-02