DP

David T. Polkinghorne

📍 Barrington, IL: #16 of 61 inventorsTop 30%
🗺 Illinois: #1,486 of 5,836 inventorsTop 30%
Overall (2002): #233,023 of 266,432Top 90%
1
Patents 2002

Issued Patents 2002

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