HP

Harold R. Powell

PE Pennwalt: 2 patents #74 of 288Top 30%
📍 King of Prussia, PA: #274 of 578 inventorsTop 50%
🗺 Pennsylvania: #30,495 of 74,527 inventorsTop 45%
Overall (All Time): #2,335,203 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4725204 Vacuum manifold pumping system — 1988-02-16
4457662 Automatic lead frame loading machine Ronald Ireland 1984-07-03