WS

Williard P. Spalding

WB Westinghouse Air Brake: 1 patents #129 of 220Top 60%
📍 Pittsburgh, PA: #4,559 of 7,570 inventorsTop 65%
🗺 Pennsylvania: #43,221 of 74,527 inventorsTop 60%
Overall (All Time): #3,823,057 of 4,157,543Top 95%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5207482 Vent valve device having disabling means James E. Hart 1993-05-04