DP

David T. Polkinghorne

📍 Barrington, IL: #464 of 767 inventorsTop 65%
🗺 Illinois: #48,934 of 84,256 inventorsTop 60%
Overall (All Time): #3,539,431 of 4,157,543Top 90%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6364247 Pneumatic flotation device for continuous web processing and method of making the pneumatic flotation device — 2002-04-02