RS

Robert H. Swinderman

PM Pittsburgh-Des Moines: 2 patents #4 of 14Top 30%
📍 Pine Township, PA: #51 of 133 inventorsTop 40%
🗺 Pennsylvania: #30,495 of 74,527 inventorsTop 45%
Overall (All Time): #2,350,570 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4625521 Liquid nitrogen distribution system John C. Murphy 1986-12-02
4402422 Field adjustable seal Harold F. Honath, Gebhart J. Reiling, Richard E. Hills 1983-09-06