HE

Harry R. Ewing

📍 Titusville, PA: #4 of 30 inventorsTop 15%
🗺 Pennsylvania: #30,495 of 74,527 inventorsTop 45%
Overall (All Time): #2,347,775 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4621958 Metal boring tool 1986-11-11
4583890 Taper adapter and method for making same Craig R. Ewing 1986-04-22