JH

James E. Hart

WB Westinghouse Air Brake: 2 patents #2 of 29Top 7%
📍 Trafford, PA: #1 of 11 inventorsTop 10%
🗺 Pennsylvania: #357 of 4,234 inventorsTop 9%
Overall (1994): #30,831 of 165,921Top 20%
2
Patents 1994

Issued Patents 1994

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
5333941 High pressure valve for railway car brake control valve device John B. Carroll 1994-08-02
5326159 Quick service limiting valve for freight brake control valve device Edward W. Gaughan 1994-07-05