DD

David J. Derwin

SG Superior Graphite: 1 patents #1 of 5Top 20%
📍 Des Plaines, IL: #19 of 68 inventorsTop 30%
🗺 Illinois: #1,559 of 5,780 inventorsTop 30%
Overall (2003): #243,237 of 273,478Top 90%
1
Patents 2003

Issued Patents 2003

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6660434 Engineered carbonaceous materials and power sources using these materials Igor V. Barsukov, Peter L. Zaleski, Richard J. Girkant, Maritza Gallego 2003-12-09